Toyota Sienna V6 3MZ-FE Timing Belt, Water Pump, Seals, & Pulleys Replacement

This video will show you step-by-step on how to replace the timing belt, water pump, idler pulley, tension pulley, camshaft seals and crankshaft seal on a 2005 Toyota Sienna with the 3MZFE engine. I used an OEM water pump made by Aisin, GMB bearings and Bando Timing Belt. This vehicle was overdue for a timing belt replacement by 40,000 miles. The owner stated that the car ran much better after the repair. I assume the old belt stretched causing a few degree misalignment between the crankshaft and camshaft. If you wish to go to a specific repair segment in the video, a breakdown is provided below. A list of parts and specialty tools follows after the video segment:
If you'd like to make a donation to the channel, please follow the link below: paypal.me/HardlyMoving?locale...
Click on any time period to jump to the video segment:
Removal Procedure:
0:23 Crank shaft bolt
0:44 Power steering belt
1:36 Accessory belt
2:14 Harmonic balancer
2:43 Engine mount
4:09 Timing belt covers
5:02 Top dead center
6:04 Engine mount bracket
7:02 Drain coolant
7:10 Pulley tensioner
7:44 Timing belt
7:52 Crank shaft sprocket
8:01 Pulley
8:08 Cams
8:34 Cam seal cover
9:08 Tensioner pulley
9:23 Engine cleaning
9:41 Water pump
10:27 Cam & crank seals
Installation Procedure:
11:48 Cam & crank seals
13:02 Water pump
13:26 Cam seal cover
13:44 Cam sprockets
14:12 Pulley
14:20 Tensioner pulley
14:39 Crank shaft sprocket
14:46 Timing belt
16:58 Tensioner pulley bracket transfer
18:07 Tensioner
19:46 Engine mount bracket
20:43 Belt retainer
20:47 Timing belt covers
21:03 Harmonic balancer
21:09 Steering pump belt
21:35 Accessory belt
22:12 Engine mount
23:24 Coolant
Parts and Specialty Tools:
Toyota Sienna 1998 thru 2006 (Haynes Repair Manual)
amzn.to/3iXPXbF
Toyota OEM Timing Belt Water Pump Kit for Toyota 2001-2006 3MZFE V6 3.3L Camry Sienna Solara Highlander
amzn.to/3imoaDR
Timing Belt & Water Pump Component Kit (Good kit … comes with OEM Mitsuboshi Timing Belt, Aisin Water Pump & GMB Bearings):
amzn.to/2TxEdEl
Mountain 12 x 14mm Long Handle Flex Head Ratcheted Box Wrench
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ATD Tools 99650 XL Ratcheting Wrench Set with 10 Metric Sizes - 5 Piece
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Serpentine Belt Removal Wrench:
amzn.to/2YzG1ee
Harmonic Balancer Puller Tool:
amzn.to/2FvbO97
DEWALT DW4901 1-Inch Crimped End Wire Brush:
amzn.to/2FeWbBw
Milwaukee Right Angle Drill:
amzn.to/2W5RBAX
Camshaft Seal Removal Tool:
amzn.to/2u0rWZV
Camshaft Seal Installation Tool:
amzn.to/3MZMXxe
amzn.to/3HLWkh6
amzn.to/427MDRB
Permatex 22058 Dielectric Tune-Up Grease:
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22 mm High Mass Harmonic Balancer Bolt Removal Socket:
amzn.to/2VQ0Dxw
OEMTOOLS High Mass 6 Piece Crank Bolt Socket Set, 6 Pack
amzn.to/2G9ZNpF
Chain Strap Wrench:
amzn.to/2F6ODCo
If you do not feel comfortable using a chain strap wrench to remove the camshaft pulley bolt, you can try using a universal pulley holder tool. You'll need to use this in conjunction with a "cheater bar".
OTC Universal Pulley Holder:
amzn.to/2HKUArb
24" Breaker Bar:
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Telescoping 2" Round Inspection Mirror:
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Lisle 24680 Spill-Free Funnel:
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Powered Impact Tool (not the one I used, but less expensive quality corded version):
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Battery Electric - Milwaukee M18 FUEL 1/2" Compact Impact Wrench (Tool Only)
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Battery Electric - Milwaukee M18 FUEL 1/2" Compact Impact Wrench with battery & charger
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Electric Ratchet Wrench - M12 Fuel 3/8" Ratchet (Bare Tool)
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1400 lbs Electric Impact Wrench - Milwaukee M18 Fuel High Torque 1/2-Inch Impact Wrench with Friction Ring
amzn.to/2ZlsA2B
As an Amazon associate, I earn from qualifying purchases. Thank you for your support!
Please Subscribe: goo.gl/x6fySQ
#toyotatimingbelt #siennatimingbelt #lexustimingbelt

[@markjohnson9495]

Just got a 2004 Sienna with 238k and doing this. This is what EVERY mechanical repair video on KZbin should be. Clear and to the point. Very helpful. Well done sir!

[@hardlymovingpro]

Thanks for your comment and support!

[@TheHonestPeanut]

Dude this is absolutely fantastic. No wasted time, great ingenuity, great timing and explanations. Thank you SO much for this video.

[@hardlymovingpro]

You're very welcome! Glad you liked it!

[@sertimins]

By far the best version of this engine TB/WP change. I have 06 RX330 and been watching probable all that exist on KZbin since last year. Great camera work, editing and tips! Thank you so much!

[@hardlymovingpro]

Thanks and yes ... you are correct. My editor-in-chief is very meticulous with both the camera work and editing. He will spend hours and hours ... day after day ... to produce just one video. People have no idea the effort involved in producing this quality. I'm just the actor content provider. But we do enjoy doing it! This video still produced 2 thumbs down. Go figure.

[@skyhappy]

@@hardlymovingpro Yeah I was surprised at the high quality, angles, and detail that was involved in making this video. Really well made content. I really appreciate the free work you guys do to help us folk with our cars.

[@hardlymovingpro]

Thanks. Believe my partner missed his calling in becoming a movie director. Always wants new videos to be better than the last and content that the audience really wants.

[@herbertjohnson9255]

Yes it is the best! Really hit it out of the park with the hyperlinks for reference as you're doing the job! Thanks!

[@randymeyer6482]

Short attention spans, I guess...GREAT video....Do the timng belts on these really NEED to be changed every 90K??? Rethinking it...kind of intimidated by the alignment of the timing pulleys...

[@livetoridemyxlh]

The effort you have gone through to produce such a meticulous step by step video is extrodonary. Great job.

[@hardlymovingpro]

Thank you very much for your comment and support!

[@zebejiogu1485]

You are a professional mechanic. Period. I watch the whole video. Excellent!

[@hardlymovingpro]

Thanks for your comments and support!

[@racheat]

Tonight, for my girlfriend's 2005 Limited V6 3.3L (3MZ-FE), I finished. I finished because of this video. I'd like to thank you for taking the time to cover all of the details. Along with the right rear bearing and backplate, crank shaft sensor, thermostat, and PCV, I saved her a huge chunk of money. That rear cam really wants to spring fore or aft (more-so toward the cabin), and luckily it sounds fine running so I don't think I bent any valve stems, but I would recommend to anyone trying this for the first time, follow the Toyota instructions where you start everything already off 60 degrees, and only right it inline at the very end. I did revolve the crank 720degrees to rotate the cams 360 so I could verify everything remained aligned. Phew...thank God that's over. This was my first timing belt ever. I now believe other commenters that stated this might not be the best one to try first, but HMP really does have everything covered. Well done video!

[@hardlymovingpro]

Thanks for your wonderful and successful repair story ... and glad you saved a lot of money doing it yourself!

[@racheat]

@@hardlymovingpro one might think being a mechanical engineer that I'd have been doing my own car repair since the 6th grade but alas, that fear of "messing up" one's only set of wheels has a huge effect. Now that I've done this one, do I remain intimidated? Nope, not at all....and, I did happen to get a really nice impact driver with 1400 ft-lbs breakaway torque out of this whole adventure LOL. That crankshaft pulley bolt was really on there from the previous change!!!! Stay healthy! Thank you!!!!!

[@alansexton7]

@@hardlymovingpro Where can I find those Toyota instructions please? Thats my biggest concern about doing this job is keeping that cam bank from springing into the cyl head. What do you mean in pysical terms when you say start at 60 degrees off? What or where is the measurement taken from or to?

[@alansexton7]

Where can I find those Toyota instructions please? Thats my biggest concern about doing this job is keeping that cam bank from springing into the cyl head. What do you mean in pysical terms when you say start at 60 degrees off? What or where is the measurement taken from or to?

[@DrewsBackYardMechanics]

@@alansexton7 At 11 minutes into this video he explains the 60 degrees off, where & why - kzbin.info/www/bejne/g37Un3tthrKIec0si=O2Q-H8k8rJBQp7m-

[@stellarv5689]

As someone who does not have $500 for the original service manuals.. thank you for posting this 🙏 🙌 🙌

[@hardlymovingpro]

Other sources that are a lot cheaper.

[@YellowScubadiver]

Hey thanks for this video, I did mine on my 2004 sienna, took me a weekend. For people watching, it's much harder than it looks in this video, the angles he gets with his camera are better than what you can actually see while you're doing the job! The long motor mount bracket bolts will probably snap on you so be ready for that, they did for me. Thanks again though, without this video I would've never been able to tackle this job!

[@hardlymovingpro]

Glad you found the video useful. To possibly prevent the bracket bolts from snapping, soak the area with penetrating oil (top and bottom), let sit overnight (if you have the patience), hit the bolt head with a hammer a few times ... then attempt to loosen back and forth.

[@troysixberry8828]

After watching this video I decided, that’s not a job I want to take on

[@chess1458]

@@troysixberry8828 same here

[@igorseprak6177]

I bought an older Toyota as my project car to experiment taking everything off and then putting it together. One by one. I am a fan of 1.8 L V4 Toyota engine and this 3.0 L V6.

[@hardlymovingpro]

Good for you with your project.

[@JWhitneyInc]

Just wanted to drop a comment and say thanks so much for this video. Just tackled the job yesterday on the wife's Toyota Highlander. The motor mount situation was slightly different, but all the other tips were pure gold in making it a manageable job. I think I would have lost my mind if I went into it blind.

[@hardlymovingpro]

Glad you found it useful!

[@stephensgate1]

I like how you do things. You’re organized, clean and make everything look simple. Very impressed. -Stephen, Ohio 🇺🇸

[@hardlymovingpro]

Thanks for you post and support!

[@keanudawson8657]

I know im asking randomly but does anybody know of a trick to get back into an Instagram account..? I was dumb forgot the password. I would love any help you can offer me!

[@cesardevin9454]

@Keanu Dawson instablaster ;)

[@keanudawson8657]

@Cesar Devin I really appreciate your reply. I got to the site thru google and Im in the hacking process atm. Seems to take quite some time so I will get back to you later when my account password hopefully is recovered.

[@randycordle461]

This is the BEST mechanic tutorial I have ever viewed! Great job! I will be subscribing to your channel for sure.

[@hardlymovingpro]

Thanks!

[@narlycharley]

I wanted to thank you for assembling this video and being so detailed. I followed it step for step with my 04' ES330. The only real hiccup I ran into was that one of the two long bolts that go through the aluminum side engine mount snapped off. I ended up getting a new bracket and bolt from Toyota for about $45. I also made my own cam seal pressing tool with PVC tubing, some washers, and a bolt to thread into the cams.

[@hardlymovingpro]

Thanks for your comment. Yes, those long bolts for the side engine mount can sometimes be a problem getting loose. Fortunately, I've never had one shear off ... very close to it though.

[@Mrgrumpypants84]

But how the hell did you get the old one off? I have the same situation and it is proving to be the most pain in the ass piece of hardware i have ever had to remove in my entire life so far...

[@hardlymovingpro]

@@Mrgrumpypants84 You have to go underneath the car and spray penetrating oil at the bottom of the mount hole. Then give it a couple of hours for the oil to seep. Also hit the top of bolt with a hammer a few times to jar the bolt. When attempting to twist the bolt loose, if the bolt gives way a little, apply penetrating oil and re-tighten. Keep doing this and the bolt will gradually loosen. Another way is to apply heat to the mounting hole with a propane torch. This is a common technique for removing stubborn, rusty exhaust flange nuts and bolts. Here's an example video: kzbin.info/www/bejne/gpPIcpStp6qIbbM

[@abyssalsoul6216]

One of the bolts broke on me as , BUT I was ready and bought two new bolts from the dealer as well as the lower bracket prior. I still have the lower bracket in the garage somewhere. Corrosion in the bolts holes in the brackets usually is the reason for the difficulty in removing them so upon reinstallation I was very liberal with grease in those holes ( after cleaning them ) and also around the bolts heads to prevent water from going down. If you plan to lube the bolts including the threads don't forget to back off the torque value a bit, around 15%or so.

[@hardlymovingpro]

Good to know! Don't have this problem with car's down south or near the ocean.

[@cmscott]

I can't say just how much this video helped me! I watched parts of it more than 10 times while doing my own. It took me... a VERY long time, but I took my time, didn't have all the proper tools, and watched a ton of other videos during the project. I found the video extremely informative. My only suggestion would be to add (if possible) torque specs for anything you used (or should have used) a torque wrench on. I found myself stopping many times to look up proper specs. I learned that a good, long pipe will go a LONG way (no pun intended) in giving the leverage needed at times. I also learned (when I didn't have a seal cup press) that you can press seals with your own DIY tool made from PVC, a few washers, and a 60mm size 12 mm , 1.25 bolt. The paint can opener worked very well on the crankshaft seal, and the Lisle seal remover tool worked great on the camshafts pulleys' seals. Here are a few other pointers for anyone else who might attempt this (no particular order): -You should definitely do a coolant flush BEFORE you start the project. You're going to be evacuating the coolant anyway, and doing the flush BEFORE you put on a new pump and gasket is good practice so you don't immediately contaminate your new equipment. -Get proper torque specs BEFORE you start. -Some people zip-tie the belt in place...but I much prefer the small clamp method. Also, clip the belt to itself to keep over the top of the crankshaft to keep it from slipping off the crankshaft, prior to installing tensioner. -When you align all pulleys at TDC, make SEVERAL marks with nail polish, white-out, whatever. Be sure to mark TDC, but also mark at 3,6, and/or 9 o'clock so you can see various positions during re-alignment. This is especially helpful on the left/real camshaft pulley. -Buy 3 camshaft seals, and perhaps two crankshaft seals...if you bodger one of them, you won't have to wait to get a new one. Sure, there's a cost added if you do it right the first time, but the peace of mind is worth it. Take your time. I had a good experience, mostly thanks to this video!

[@hardlymovingpro]

Wonderful story on your experience doing this repair! You lived and you learned!

[@amullarney]

No bull...hits all the important marks. Excellent tutorial. I made a camshaft seal install tool (using camshaft gear bolt, regular plastic drain pipe... 1 7/8 OD, 5/8 deep, 1/4 inch plywood cap glued on with contact adhesive ) modeled on the tool used in video. Also a strap wrench using old timing belt.... looped.....bolted to a piece of metal piping... pure desperation after borrowed store tool that proved useless. Just installed seals and am feeling on top of this job for the first time. Probably wouldn't be here without this great video!

[@hardlymovingpro]

Yes ... you can produce makeshift tools to complete the cam seal replacement. PVC is commonly used by others and someone else posted using an old timing belt, like yourself, to come up with a strap tool to hold the cam sprockets. Thanks for your complementary remarks on this video!

[@robertkennedy3230]

Thank you for this video. I am about to start my 05 RX330 tonight. The only difference is that my cam seals aren't leaking however since I am already going to be there, might as well replace them and not have to worry about down the road. I am also replacing my hydraulic tensioner with a new one. Planning to tackle this job in small chunks, couple of hours worth of work a day. My schedule is crazy busy at work, my estimate is that I will probably get it all done in 3 days total.

[@hardlymovingpro]

Good idea to replace the seals ... even if they're not leaking. They won't last to the next TB replacement The hydraulic tensioner, on the other hand, don't seem to wear out IMHO. Good luck with the repair! You'd be saving a lot of $$$ doing it yourself.

[@paulanthonycerda2849]

Wonderful video and spectacular editing!! Thanks for charing your knowledge. I'll be getting a Sienna soon for the family and I like to always keep my vehicle in the best shape. I'll be studying your video. Thanks again 💪🏼

[@hardlymovingpro]

Thanks for your comments and support!

[@akhtarkh]

Great camera work excellent details with excellent views. Looks like a professionally produced video.

[@hardlymovingpro]

Thanks much for your comment! We really appreciate it! My partner and I want to produce the highest quality video possible and we try to make every new video better than before. Takes a lot of work and time to produce but comments like yours keep us motivated!

[@makhan8620]

Thanks again for a wonderful detailed video on the procedure. Recently, I got your channel when I saw your videos on the Lexus ES300 build project. Earlier I had your website reviewed for the detailed 1MZFE timing belt and water pump replacement. That helped me a lot especially with the timing adjustments while mounting the new belt. That was quite tedious and took the longest to get in full alignment. I think in your ES300 video, your technique of installing the tensioner without compressing was awesome, and that works well with the 1MZFE design. 3MZFE tensioner installation is similar to Honda's where the bolts are installed laterally and so the piston will need compressed first. Just to share my thoughts about 5SFE (I4) and 1MZFE (v6), it seems like the Timing belt job on a 1MZFE v6 is a bit easier than the 5SFE.

[@hardlymovingpro]

You know ... one of my friends asked me the same question ... isn't the V6 easier than the I4? Since the last 1MZFE job took me 2.5 hours to complete, I'd say yes. And you're right, you don't have to pre-tension the tensioner before installation. Saves a lot of time!

[@jasonwashington5631]

Just off this video alone, I had to subscribe.

[@hardlymovingpro]

Thanks for your post and glad you found THIS video useful!

[@heidisemadeni5322]

Awesome video, best I have every seen, especially on this topic! I was able to do all the work myself. Thanks for listing the tools used in the video description. I was able to complete the job in 6 hours, I was expecting 15 hours! I did have an issue with a seal leaking, not sure which one yet, as I will be re-doing the job again in the morning, but it will go much faster now that I have done in once. Dealership wanted $2600 to do the seals, pump, bearings, belt, etc. I did it for about $600 (including tools)! The next change will cost even less! Thanks for making recommendations on the type of belt, water pump and bearing manufacturers that were best. The kit I bought had everything your recommended and it turned out to be exactly what I took off! Thank you so much!

[@hardlymovingpro]

Good for you and thanks for sharing your repair experience!

[@lutimletap648]

Great video. Keep up the good work. Two hang ups for me. First the small bolt on the tensioner behind the power steering bracket got almost stripped as I was using a 3/8” socket instead of 1/4” I watched the video multiple times and then noticed. Got new bolt. The other one was the Mitsuboshi belt got mounted in the opposite direction and the marks on the crankshaft wouldn’t line up. Then read the real small print direction the belt came with identified the orientation. Runs much quieter than before. Thank you

[@hardlymovingpro]

Congratulations on a successful belt replacement job!

[@d-s-ll2378]

This kind of proficiency is rare! genius use of leverage for undoing the seal! 👏👏👏👏

[@hardlymovingpro]

Thanks!

[@phillipcharette]

This is a great video and follows everything step by step. I watched the video all the way through first then had my laptop next to the vehicle and paused at each step. The car runs like a top now and is very smooth and quiet. I would recommend that you mark each part using masking tape and a marker so you can backtrack and don't have left over parts. I labeled over 70 parts removed to do this job. I had the Haines manual but only used it to get torque specs. Overall, an excellent video to get the job done. Thank you so much.

[@hardlymovingpro]

Glad it all worked out for you and thanks for sharing!

[@johnritchie4801]

This video is awesome The best I have seen Certainly learnt a thing or two and I have done a few Timing Belts

[@hardlymovingpro]

Thanks John! Appreciate your critique and comment!

[@user-ph9sp9ju6g]

Thank you! Fantastic video. Every bolt and every angle clearly explained and filmed. I watched a lot of different videos before doing my timing belt, but yours got me through it. My car’s running great. So, thank you!

[@hardlymovingpro]

You bet and thanks for sharing!

[@PeterHernandez-lg2eh]

Best video out there

[@pascualegamas2138]

This is the best mechanic!!👌👌

[@andrewgerry1188]

I did it! Excellent video! Thank you for all the hard work you put into this! I'm impressed the the quality, conciseness, and the fact that you responded to every comment below. I did my first ever TB job on 2004 Sienna w/ 180K mi using your video and website instructions and got it done. Used all OEM parts. Unfortunately, the first time around, I didn't get the camshaft seals pressed in all the way (didn't have the tool you used) and had a big oil leak when I took it for a drive. So I did it ALL over again, this time using the seal tool. However, when aligning the crankshaft, I used the wrong mark, and it was 1/4 turn off TDC. When I tried to start it (2 turns of the key) it turned over but would't start, so I charged the battery; while waiting and double checking everything, noticed my crankshaft positioning error, so I re-positioned everything properly, re-installed the battery, and it started right up. Its seems to be running fine, and no misfire codes. My question is: COULD I HAVE BENT VALVES BY TRYING TO START THE CAR (BUT FAILING) WHEN THE TIMING WAS OFF? I'm a bit paranoid about it, and perhaps it is my imagination, but it seems like the engine feels like its vibrating a bit when accelerating up hills. No backfires. No engine codes. No leaks, and the engine sounds fine. Also, recently replaced the dogbone, so I don't think that is a potential cause for the vibration. Should I get it compression tested, or am I being neurotic?

[@hardlymovingpro]

If the valves were bent, your car would running with very low power and likely with a ticking noise. Consider doing a pressure fuel injection cleaning service. One dirty or clogged injector will reduce a lot of power. I did a video on how to do it.

[@hardlymovingpro]

Vibration could be worn motor mounts. I did a video on how to replace them.

[@alfong8279]

Wow, you are one very organized mechanic, thanks for the very informative video!

[@hardlymovingpro]

Thanks for watching!

[@peterlansdale1793]

I didn't have trouble getting the crankshaft pulley bolt off with a spritz of PB blaster and my battery powered DeWalt XR, and a normal impact 22 mm socket. - highly recommend hand cranking the engine one revolution after timing belt installation to check tdc before reassembling everything A thousand thank yous for making this video in all its Glory

[@hardlymovingpro]

Thanks for sharing and glad it worked out for you!

[@swordfish1120]

Great tips and camera angles. I just re-positioned my timing belt on my 06 Lexus RX330 because it was off timing after replacing it the first time and running the car. The rear cam sprocket was pain because it slips off its timing mark with little pressure put on the belt and I was doing this by myself. I ended up having to fabricate a bracket that holds the two cam sprockets in line with one another and the bracket bar bolts onto two of the timing cover center holes. This allowed me to set the timing belt because I was able to pull on it without the cam pulleys moving.

[@hardlymovingpro]

Good to hear it all worked out! Thanks for sharing.

[@OllieProphet]

It's a shame the cam pulley isn't drilled through to a tapped hole in the head whereby you could lock the cam in place with a simple bolt, while fussing with the belt? Seems like it would be a simple machining process during manufacturing to add that.

[@Roadghost88]

This is the best KZbin video on this job for Toyota's 3.X engines. Properly done, highlights the quirks of the job and shows the innovation necessary to get it done. Done this several times on my Hyundai and it's never fun. About to do my first on my Toy. I look forward to the day when cars no longer have timing belts. Thanks for posting.

[@hardlymovingpro]

Thanks for your critique and support ... appreciate it! My video partner and I do spend a lot of time making sure we don't skip any steps, that the steps are in a logical order, identify specialty tools needed and slow the video down where needed. If interested, here's a video we did awhile ago on Toyota's 1MZFE V6 engine in a 97 Lexus ES300: kzbin.info/www/bejne/gZzNmHWMraeUm7c

[@hardlymovingpro]

Good point but when the chain stretches, it will eventually throw off the ignition timing and you'll get a camshaft or crankshaft position MIL (manufacturer indicator lamp ... or check engine) error code. You can reset the code as often as you want but it will keep coming back. I've seen this in Honda's and GM tri-chain V6's between 150 to 200K miles. If you decide to replace it, you need to replace it with new chain guides and tensioners. Compared to a worn out timing belt replacement, you're talking BIG, BIG $$$'s to do the repair. The timing chain cover is matted to the engine block with a whole lot of bolts, pulleys and brackets are in front if it which require removal, the cover to block sealant must be wire brushed off before resealing, a bunch of seals and gaskets must be replaced and the cost of parts is around 2.5 to 3X that of a timing belt kit. I did a TB replacement on a V6 Kia Sportage with 170K miles on the original belt .... that's right 170K miles! I wonder if a timing chain engine would last that long without stretching?

[@Roadghost88]

@@hardlymovingpro My Buick had 217,000 miles. Original timing chain. Still ran like a champ. But I would prefer gears. Surely they can get past the harmonics in this day and age.

[@hardlymovingpro]

That's probably an low rpm, "lazy 8" overhead valve (OHV) engine which has a short timing chain tying the crankshaft to the camshaft located in the center of the engine (unlike a OHC above the cylinder head). The longer the chain, the more links to wear; hence more noticeable effects of a stretched chain. Buicks are a GM product. Their current all aluminum OHC V6 is a 3 chain drive system and they generally can't make it to 200K miles before encountering chain stretch problems. Also, you're lucking to make it to 100k miles before encountering timing chain cover oil leaks (low quality sealant matting the cover to the block). Total labor time to re-seal a cover ... about 6.5 hours ... add 2 more hours to replace the chain, guides and tensioners. About $2K parts and labor at a dealership.

[@petedesv]

Great job. I appreciate you clean the parts and covers

[@hardlymovingpro]

Thanks and always clean parts when the opportunity presents itself. Also, it makes it easier to identify sources of leaks (coolant and oil) when they occur.

[@gerardvandenbosch5059]

Thank you for this video! Will have to use it soon for replacement of the belt on my Sienna 2005. Well done!

[@hardlymovingpro]

Glad it helped!

[@yasharenner6681]

Well I found the bolt (it fell into the large-diameter hole just behind the brake!), and I got everything back together and drove to work today :) The car is running very well. I want to thank you for answering all my questions, and so promptly, every step of the way. I couldn't have done this job without you! So thanks again.

[@hardlymovingpro]

Great news! Was wonder how things were working out for you. Very satisfying doing the job yourself and saving money as well?

[@yasharenner6681]

@@hardlymovingpro It was a lot of fun. I will be ready to do it again in another 90k. Best of all, now I have a good set of tools come time to replace brakes.

[@hardlymovingpro]

You should do a spark plug replacement job.

[@yasharenner6681]

@@hardlymovingpro Yes, is it more difficult than TB? Toyota recommends replacement at 120,000 miles, which is just around the corner.

[@hardlymovingpro]

For me, it's easier. Can do in under 3 hours. Here's the video: kzbin.info/www/bejne/rJTdhX1jpaaJipo

[@grebentsoff]

Thank you man! So much perfectly professionally explained and shown. Very helpful.

[@hardlymovingpro]

Thanks!

[@bobp4036]

This is a great video showing the steps on this job. One of the best repair videos I've seen. I've done the belt on my 97 Camry and chain on 90 Toyota pickup but this will be my first attempt on a V6 in my 04 Highlander. Nice to see the tools needed as you use them. Got a few things to put together before I start, like where did I put the anti-sieze? Onto the list it goes. 63 people missed when hitting the like button and shouldn't attempt this repair.

[@hardlymovingpro]

Glad it helped!

[@chasedunk3278]

Bro absolutely the best timing belt kit guid for the 3mz-fe thanks for making it step by step I really appreciate you man

[@hardlymovingpro]

Glad it helped!

[@johnschwerdt6671]

You are truly gifted, great video...I was able to follow you with clear video and instruction. Thank you

[@hardlymovingpro]

Glad you found it helpful!

[@farasmaroge93]

Man this dude is such an expert. Makes it seem soo easy. I am using this as a guide however nuts and bolts are rusty and hard on my car. A 2007 year old car. I used to dismantle a couple of parts off of cars so I got some experience. You can do it you just have to be patient, take ur time, and it'll work out. I'll start up my car tomorrow.

[@hardlymovingpro]

Thanks for sharing and good luck with the job!

[@danielvelezdiaz5851]

Huge job to get access,to just find out,it's a belt!!! Very good video.This helps a lot,to decide if you can do it,or pay a mechanic.

[@hardlymovingpro]

Glad you found the video useful!

[@knightrider6054]

Well done. Thanks for the complete and thorough lesson.

[@hardlymovingpro]

Thanks for your comment and support!

[@brimyster3615]

I was very concerned about doing this job myself because it looked too difficult. Your video gave me the direction I needed to get the job done. This is a top notch KZbin video. Thank you for sharing your knowledge and skills that God has blessed you with.

[@hardlymovingpro]

Glad the video helped and thanks for your post!

[@ao2528]

Excellent video, perfect explanation, and very good editing, also easy to understand the content, thanks.

[@hardlymovingpro]

Thanks. Glad you liked it.

[@elliotmello6756]

Hey brother, by far this is the best video I've seen on the 3.3L Toyota MZ engine, I have both a Highlander 3.3L & an Rx300 (3.0L) which this video covers both essentially. Absolutely the best videography, technical narration & explanation from beginning to end I've seen on this engine topic. Your obviously a pro and as an intermediate novice, who's watched numerous videos on this particular engine topic, I very much appreciate your time ,effort, & professionalism in every aspect of this video. Please continue to do more videos on the MZ series engine.

[@hardlymovingpro]

Thanks Elliot for your very kind and thoughtful comments! It's people like you that keeps me motivated to continue producing these DIY videos for DIY guys like you. Thanks again!

[@ryanmiller2905]

Fabulous video. The best auto repair video I’ve ever watched.

[@hardlymovingpro]

Thanks 👍

[@nickc7039]

Very thorough and to the point. Great vid. Liked and subscribed. Appreciate it man

[@hardlymovingpro]

Thanks!

[@DavidNovaa]

Best video for 05 Toyota Sienna. Thanks alot !!!

[@hardlymovingpro]

You're welcome and thanks for the post!

[@robeldagne8553]

Great work and u made it easy to learn not complicated at all!!!

[@hardlymovingpro]

Thanks for sharing and glad it worked out for you!

[@mycofairbanks3321]

hands down, the best instructional vid I have EVER seen.

[@hardlymovingpro]

Thanks!

[@aymw9259]

OH Man. You did an AMAZING JOB creating this video, especially you add some graphic to point out the to align certain parts have to be in the right position. I subscribe your channel. GOD Bless you Man !

[@hardlymovingpro]

Thanks for your comments and support!

[@christopheroliveriii3985]

Thank you sir for the awesome explanation. You just saved my ass from major hardship, cant thank you enough!

[@hardlymovingpro]

You bet and glad the video helped you out!

[@nahumsalinas5312]

Thank you man! This is a great video, very detailed and very professional.

[@hardlymovingpro]

Glad you enjoyed it!

[@topflightmechanic8692]

I watched this video several every time I prepare to do this job again this video is the best one

[@hardlymovingpro]

Thanks and appreciate you post!

[@normcook9335]

I've done this job before (minus cam seals) about 8yrs ago and it seems daunting now. lol Thanks for video - excellent presentation. I have 102K miles on current belt and shop said they'll only replace water pump if needed - that seems to be false economy so I'll ask them to change it.

[@hardlymovingpro]

I highly recommend replacing the water pump since it's driven by the timing belt. Seized pump or worn pump bearings can snap a new belt.

[@normcook9335]

@@hardlymovingpro Thanks for the reply. Curious how the final crank pulley bolt is torqued.

[@gillipop62]

Nice job. Really good video sequence and annotated notes.

[@hardlymovingpro]

Glad you enjoyed it!

[@danitejada8812]

Muchas gracias por el excelente video. Este si es un video paso a paso. No soy mecánico pero el día de hoy con mi hermano le hicimos el cambio de la correa de repartición, gracias a usd.👊🏼💪🏼💪🏼

[@hardlymovingpro]

Me alegro que te haya funcionado y gracias por compartir tu experiencia!

[@joegotyoutuification]

Do you realize every shop bosses and shop mechanics -ate you for what you're doing.....and I love it!!! Most of them are crocks.

[@hardlymovingpro]

True ... but there's a lot of people who don't want to get their hands dirty and learn the basics; hence there's plenty of potential customers to rip off.

[@tint661]

Thanks for a no BS video. You do a good job.

[@hardlymovingpro]

I appreciate that!

[@chris345764]

Awesome video really appreciate you walking us through every step amazing job I recently got a sienna with almost 300,000 miles and the original timing belt I don't know how it's still holding on there's nothing left to it 😲😳

[@hardlymovingpro]

Glad to help!

[@MrTravisAl]

Did you do it yet?

[@robertosontay9879]

Thank you very much to show everything and to share your knowledge about timing belt change great job great video .God bless you 4ever

[@hardlymovingpro]

Thanks Roberto for your post! Appreciate your comment and support!

[@RealHomerSimp2025]

Good work, wow a lot of time going towards the work plus editing the video.

[@hardlymovingpro]

Thanks! And yes, a lot of work goes into making a high quality video!

[@alexshirzad5501]

thank you, very detailed and helpful

[@hardlymovingpro]

No problem and thanks!

[@jamesdeubanks]

Well done video! Thank you for your labor. I know shooting a how to video makes a job take twice as long. Absolutely wonderful produced.

[@hardlymovingpro]

Thanks and appreciate your comment!

[@Nick_the_mechanic]

About to do this tomorrow at work. Should be easy and fun

[@hardlymovingpro]

Sounds good ... have fun!

[@GoneFishingWithEd]

It's one of the best tutorials I have watched on youtube! Thanks so much for making this video!

[@hardlymovingpro]

Glad you found the video helpful!

[@GoneFishingWithEd]

@@hardlymovingpro Are all three seals the same or are the two on top the same and the lower seal by the balancer different?

[@hardlymovingpro]

@@GoneFishingWithEd cam seals the same; crank seal bigger.

[@GoneFishingWithEd]

​@hardlymovingpro lastly, that crank seal you replaced in this video.. that's the front seal? Just want to make sure I order the correct seals.. thanks again for your help!

[@davidthurman3963]

Amazingly well edited

[@hardlymovingpro]

Thanks!

[@ham5483]

I dont even own a toyota but this was so well made i watched the whole thing, excellent video

[@hardlymovingpro]

Thanks! Glad you enjoyed it!

[@MrFonzayyy]

screw those 46 people who unliked this video, you sir are a lifesaver ! GOD BLESS YOU! and keep doing what your doing so helpful !!

[@hardlymovingpro]

Thanks for you support and comment! Appreciate it!

[@Black-nv8yw]

This is a professional technician!

[@hardlymovingpro]

Thanks!

[@peterlansdale1793]

The paint can opener trick was epic

[@hardlymovingpro]

Works all the time. Sometimes the tip may bend a little.

[@ferreterialai]

Thank very much for making this video, i do follow your easy instructions Please make more videos when you have time please

[@hardlymovingpro]

You bet!

[@lisac283]

Best video I’ve seen. Thanks.

[@hardlymovingpro]

Glad you liked it!

[@sheckb1]

So following your video I successfully changed my timing belt, waterpump, seals, idlers, tensioner and accessory belts on my 1mzfe. The tensioner was the same as the one in this video. The belt on it still had all its markings visible and still seemed to be in good nick. So thanks for your help, and I'll be back in 5 years or 100,000kms.

[@hardlymovingpro]

Hey ... congratulations and good job! A dealer would have charged you around $1,200 for all that work!

[@sheckb1]

@@hardlymovingpro that was around one of the cheaper quotes I got. The only issue I had really was whichever seal I tried to put on the back cam, the lip on the inside kept folding out. So I poked it back in with a tiny screwdriver and made sure it was flush. But all in all it went well. Had no trouble whatsoever removing the harmonic balancer.

[@hardlymovingpro]

@@sheckb1 That's why I use di-electric grease when putting on the cam seal. Also, I don't push the seal on but rather twist it on. So $1,200 was a cheap quote?

[@sheckb1]

@@hardlymovingpro the seals actually came pre-greased. But yeah it was only that one seal. The other 2 were fine. I tried both cam sesls on that back cam and they both did the same thing only on that cam. But yeah, quotes I got were $650 (dealers mates rates), $1,200, $1,500 and $2,200. So I got out of it pretty well I'd say.

[@hardlymovingpro]

I guess that the rear cam may have had some corrosion or old seal residue on it to prevent the new seal from slipping on. I like to wipe it down with brake clean before putting on the new seal. Up to $2,200 for a TB / WP job! Unreal!

[@aarondecker7042]

Great video. Very helpful.

[@hardlymovingpro]

Thanks!

[@wldmhd]

Amazing video and instructions, ❤ Thank you Man.

[@hardlymovingpro]

Glad you enjoyed it!

[@canoperu]

Better than the manual!!! Thank you!!

[@hardlymovingpro]

Thanks for your comment and support! Funny ... one guy posted that my procedure deviated from the manual ... that I should pull out the spark plugs?

[@ZavalaAutoRepair]

Video helped out a lot, thank you

[@hardlymovingpro]

Glad you like it!

[@mattmcgyver135]

amazing video! Thank you

[@hardlymovingpro]

Glad you liked it!

[@findfixxflip]

im defititely impressed with the level of detail. I recently rebuilt a solara for a friend with the 3mz-fe engine. I have a feeling that im going to have to do the water pump. I have 20 some years working on cars but this is like a live chiltons manual i can follow instead of having to read along. The car has 198,000 miles on it and i doubt any seals have been changed on it. I real don't want to do cam seals, but since car is going to be all the way apart i might as well. I want to say thank you for putting in the time to show people this stuff it really helps a ton of people.

[@findfixxflip]

and i subscribed also

[@hardlymovingpro]

Thanks for your complimentary post ... do appreciate it! With 200k on the Solara, definitely replace the oil seals. You won't have any regrets.

[@findfixxflip]

@@hardlymovingpro no problem. damn im defintitely not looking forward to it. I had to do a timing on a crown vic and that was a pain in the ass.

[@hardlymovingpro]

If you have the right tools on hand, it's not that bad.

[@findfixxflip]

@@hardlymovingpro i have most of them but i hate how there is so little room to access everything.

[@Nvable]

I know this is 3 yrs old but them tips about keeping the belt from coming off are great.

[@hardlymovingpro]

Thanks!

[@lanazaakat9466]

Great videos, everytime !!

[@hardlymovingpro]

Thanks!

[@WisdomThroughGod]

Im going to do my 07 highlander belt soon this video is awesome man

[@hardlymovingpro]

Thanks and glad you found it helpful!

[@ahmadznouri6163]

You are the best mechanic thank you so much

[@hardlymovingpro]

You bet!

[@ravanea]

Thank you for the excellent video

[@hardlymovingpro]

You bet ... My pleasure!

[@Paddle-N-Fish]

Great video! I am looking to buy a used sienna, and after seeing this, I think I will spend a little more and get the 3.5 with the chain :)

[@hardlymovingpro]

Good decision. The 3.5 provides both better power and fuel efficiency.

[@timjerome8942]

man what a monster of a job that is, great close ups and video. Thanks for all the hard work that went into this!

[@hardlymovingpro]

Thanks for your post and you kind comments!

[@asianlovebug582]

This is one of the best engines ever made.

[@hardlymovingpro]

True but it's 3.5L replacement is even better!

[@joseandreslopez5558]

Great job my friend 👍.

[@hardlymovingpro]

Thank you! Cheers!

[@terryzak1742]

Another great video of yours. I did the same work on my wife's 2008 Solara with the 3.3 engine, and everything was exactly the same. Of course I would have preferred to have watched this video first!

[@hardlymovingpro]

Thanks Terry! My world record for doing this job occurred last weekend ... 2.5 hrs!

[@terryzak1742]

Wow, that's amazing. When I did my wife's Solara, I also pulled the intake to change the plugs, and changed the gasket on the valley/coolant cover plate. I did have issues with the cam bolts being tight, thinking to myself "Wow, I'm getting old and am losing my strength!" Thanks again for such high-quality tutorials.

[@hardlymovingpro]

Believe me ... do this timing belt job a couple dozen times and you will get fast. With respect to cam bolts, they are on pretty tight and takes some leverage (breaker bar) to get them loose.

[@abyssalsoul6216]

Terry , might I ask what FIPG (sealant) did you use on the coolant cover plate ( water inlet housing) ?@@terryzak1742

[@terryzak1742]

@@abyssalsoul6216 I'm not a fan of sealants and prefer gaskets or o-rings, but since none are available for this application I used the Toyota brand "Seal Packing 103", p/n 00295-00103. Naturally I removed any trace of prior sealant from both halves, cleaned gently with Scitchbrite and then brake cleaner. I also remember after running the bead, allowing some cure time before the final torque. Tried to do everything possible to prevent a leak, since it's so burried. Also changed the hose that runs the length of that valley. Kind Regards, Terry

[@AH-le3py]

Being a surgeon is an easy job then this, u r a genius. Dr.Hussain

[@hardlymovingpro]

Thanks!

[@joseboquitasdelacoronilla7648]

Best video, those thumbs down, are probably jealous of you. Don't let those bother you, keep up the great work.

[@hardlymovingpro]

Hey ... thanks for your comment and support! We're right around 95% on the thumbs up compared to the thumbs down. So an average of 1 thumbs down out of 20 is no biggie.

[@damienbell3155]

Very well done sir

[@hardlymovingpro]

Thanks!

[@timsouttahere]

Watching this video and just now realized you're in Memphis. I'm about 20 minutes away in Oakland. Small world

[@hardlymovingpro]

I'm guessing not that many youtube posters from the Memphis area?

[@timsouttahere]

@@hardlymovingpro heck idk I just happened to notice 😅

[@Mrjoker622]

Thank you so much may God bless you for sharing your knowledge

[@gabrielzuniga2098]

Thank you so much! I'm a novice when it comes to doing my own mechanic work. But done pretty good so far, could not figure where there was a leak in my 06 sienna, but I'm guessing it's those seals?? Going to be replacing power steering pump, so while I'm down there....thank you again, awesome video!!!

[@hardlymovingpro]

Good for you. FWI - If you willing to give it a try, replenishing the power steering reservoir with new ps fluid with "stop leak", after around 5 weaks, could seal up the leak in the pump.

[@GEARMOAUTO]

Yo you put my videos to shame. Excellent production. I have a sienna and will be doing mine soon. Thank you

[@hardlymovingpro]

Thanks! Lots of work making a video. About 1 hour of editing for each minute of video.

[@sotheahang6508]

I wish you were my mechanic. wonderful job.

[@hardlymovingpro]

Thanks!

[@benwearne542]

rediculously good video

[@hardlymovingpro]

Thanks! And don't forget to smash that thumbs up and subscribe button!

[@angellizarraga6050]

Exelente video. Gracias maestro.

[@hardlymovingpro]

Thanks!

[@496fern]

omg no wonder y the labor of replacing timing belt is expensive. Thanks for sharing this great video

[@hardlymovingpro]

thanks for your post and comment!

[@rolandroland1485]

How much ??

[@hardlymovingpro]

@@rolandroland1485 What I normally charge is $650 parts and labor ... which is about half of what the dealers charge. And I'm using OE (original equipment) Bando or Mitsuboshi Timing belt, GMB or Koyo bearings and Aisin water pump. If a new tensioner is requested, then it's a little bit more. Don't know who makes the seals. If the customer wants new belts (alternator and p/s) I don't charge extra for labor.

[@rolandroland1485]

Hardly Moving Productions that price is a steal ! You come to NY ?

[@hardlymovingpro]

@@rolandroland1485 I know. i'll go somewhere close to NYC. NY upstate is NG