GMC / Chevy Truck 6.0, 5.3 & 4.8 Water Pump & Thermostat

Pretty ordinary drama free water pump replacement here. But hey I didn't forget the brake clean :) So stick around and see what it take to change out the water pump and thermostat on this 2002 GMC 2500HD equipped with the fuel efficient 6.0 liter.
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--Eric O.
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South Main Auto Repair
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Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair.

[@MikhailSkulls]

3:14 a older guy asked me to replace his water pump on his 6.0. I'm just a diy guy and haven't done one on these trucks so i looked for a video hoping you had made one. Glad you did, thank you!

[@luissonoma6255]

An*

[@jakebopp6009]

"Drama free" is why I watch this channel. This is a "real life auto repair show." Television car shows are nothing but ads and fake tension. It's all "DEADLINES" and "ANGRY CUSTOMERS," "CHECK OUT THIS BULLSHIT FROM LINCOLN TECH!" Odds are, I'll never do 60% of these jobs, but I still watch because you've got the touch, and you're damn skilled. Keep it up.

[@madmoose4850]

I just had the joy of doing this water pump today... In my driveway. Two plus inches of wet snow on the ground which changed to rain falling. Joyful!

[@dynamicdopamine]

Bout to do the same!

[@jamesdayton9530]

Eric I watch a lot of You Tube maintenance. You make the best videos of them all. Your filming is great showing what you are doing and how to get it done. Your maintenance practices are also spot on. Thanks for the effort.

[@SouthMainAuto]

+James Dayton Glad you like it :)

[@DaveSender66]

That's what I admire about Mechanics, they are some smartest people I know. Good job Dr. O

[@dave_from_mo]

Just finished replacing the water pump in my 2002 Silverado as well as the the belts,tensioners, and radiator hoses. All went very well thanks to your video. Thank you very much for taking the time and effort to educate us diy'ers.

[@ItsAlwaysRusty]

Have to say it.. Especially with this time of year.. "Every time a bell rings an angel gets its wings" The water pump version.. Liked this repair. It's nice to see not everything has to be a pain to fix.

[@SouthMainAuto]

+ItsAlwaysRusty Haha Perfect!

[@dannyo6699]

I'm replacing mine right now too, and I tinked the bell a few times as well. Even with the fan still mounted on it had a ringing, very bell like tone.

[@davidsexton2649]

Again thank you thank you thank you! Replaced the hydro boost last night with your videos help and now the water pump and thermostat today with your vids help! I appreciate you! Thank you!

[@tech5298]

This video seven years old, and I just learned how to take those plastic pins out of the radiator shroud. I see those plastic fasteners all over the truck. Some of them are torn off. Thank you for your insightful video, sir!

[@kellyt5056]

Might be a millon videos on this but guess which one i would only watch

[@ricksters11]

Why I just got the recommendation for this channel I will never know, but glad I found it. Great content!

[@tangousa2426]

The best honor mechanic, Eric O the man.

[@mikechiodetti6737]

That's pretty good. Hannah mixes coolant and Sheba provides entertainment! Cool Video!

[@kens97sto171]

Thats what I love about the Chevy trucks. Lots of room in the engine bay with that LS engine.. or SBC for that matter. Pretty easy to work under the hood. Every manufacturer has its issues, and common fails.. at least this is pretty easy to fix yourself. Thanks for the great video as always.

[@lawnworkshawaii2418]

my 01 2500HD is now up and running. Thank you

[@Oldbutschooled]

Very good video, I like how you went through every step with instructions instead of just saying" remove the shroud " or "remove the belt" and skipping to the next step like so many other vids ! Nicely done !

[@user-io8ku3xp6b]

Hello Eric! My 2001 Chevrolet Suburban LS, 5.3L, purchased new, 307000kms., original water pump!

[@tjlabbee7856]

Awesome man! Was able to change the water pump in the driveway. Keep up the good work, and love the down to earth attitude. 04 Silverado with a 6.0l and 340km

[@robertcox5799]

I have to swap out mine on a 6.0L. this is the best video I've seen so far on here. THANKS! I can't wait to get my hands dirty now!

[@Vikingstw]

Super helpful video, found out exactly where that weep hole is and how to take those pins out of fan shroud, might even take up tip on using that lower hose for drain instead of messing with radiator... Thanks for the pro tips!

[@flatbeavergarage7692]

now that was smart taking the tire off...will have to remember that next time working on my super duty..thanks

[@davelambardo6464]

Helpfull! I figured it was not too tough and video is faster than reading the service manual. My buddy showed me a long time ago about pulling tires off. We even use old steel wheels with no tires for long term projects so you can roll them if needed. Did my diesal injectors this summer. Built over top creeper for that project it's perrty handy to .

[@demonkster]

I own the same truck. Cool to see stuff that I can relate to. I had the water pump replaced last year.

[@sioux4358]

I appreciate it Eric. Followed this video to a T and it all went smooth. Inherited my dad's trucks not long ago and these videos are a huge help. The absolute best part: you actually show how you put it back together, instead of the ol "now just do it in reverse". A fella's a bit slow and needs the guidance lol

[@agresham1982]

Worked for my Chevy Silverado 4.8. Saved money. Thanks!

[@erict4883]

That Pontiac Grand Prix was a nightmare ...holy cow. The Pontiac Video is one of my favorites.

[@ZerkerNewby]

I have a 2003 GMC 6.0L I'm trying to get back on the road after sitting for a few years. I'm slowly making progress. This video helped a lot. I have a starter on the way, and then a water pump next. I'll try to see if I can get it running after that. Fingers crossed.

[@jenncox2642]

Sheba looks like she is in charge and supervising your work. She is a beautiful dog!

[@adriancastanon4403]

Thanks for the video plan on changing mine out tonight and this video makes me that much more comfortable even though I dont have a lift or any expensive tools like you do. Thanks again.

[@albrynteson9953]

You and Mrs o do a fantastic job you are a top-notch mechanic man you have patience love all your barbecues

[@adamholbrook2281]

Thanks for the video. I just bought a 2010 2500 HD 6.0. Just a matter of time before I'm under there repeating the process.

[@rdedeyeduck]

Wow! Hands down the best auto repair video I have ever seen. I moved 35 minutes from town. I definitely do most mine anymore. Anyway yours was my 5th try looking for torque specs. I landed about 13:22. You were obviously talking about something you knew. Then in about 40 seconds that torque wrench came out. I had to watch the whole thing. Figured I might learn something else.

[@dannyo6699]

I found the spec on a "Bob is The Oil Guy" Forum. One person also said torque to 11 ft/lbs then 22 ft/lbs. Easy enough. The question also asked about a torque pattern. No one answered that one and the video showed him just doing the 3 on the one side then the other side so it may not be a big issue.

[@lylewitt8417]

I watched your video about three times. I have an 01 chevy 2500hd. Had the engine replaced about 60,000 miles because of the piston slap issue. I have 210,000 miles on it and replaced the water pump today. Not as fast, but took me about 4 hours, including a trip to the store.

[@billneu9520]

Hi Eric, you are a true American and a great skilled technician. When I would change water pumps I would draw an outline of the pump on a piece of cardboard and make holes where the bolts came from so I would not mix the bolts up. If you can do it many DIY can do it.

[@kylehopkins3570]

Just wanted to see what I was getting into with my 02 2500hd. Super helpful, thanks man

[@vetman98]

Thanks for the step by step. Starting on my 4.8L tomorrow.

[@superhall229]

Headed to my shop now to ring the bell on my 01 2500HD. Thanks for the video.

[@xxcrazy_critr6661]

225,000 miles on my 4.8, just now doing it's first water pump. Still factory AC and main Serpentine belts on it too. I bought truck new, so I am 100% sure they have never been changed. Done every oil change etc on it myself since it was new. Only replaced 1 O2 sensor and the rear Brake Calipers and Pads, added 1 quart of Synchromesh to the trans (5 speed manual). That's all, ever, so it's due for some wrench time I suppose.

[@xxcrazy_critr6661]

BTW: 2004 model. Reg Cab short bed 1500, 4.8v8 + 5 speed manual trans.

[@jayss10]

BTW know this vid is a few years old but scene your helper quite a few times watching your videos. You got a special little helper there, that's awesome. I've got two little girls of my own that love to help me when 'Dad' is wrenching on something. In that moment you know you're a rich man.

[@JeffHazardous]

Always nice when I job goes smoothly without issues. great video.

[@RonnyZ357]

A job without drama? I didnt know that was possible! Thanks for the vid!

[@PeteyG708]

Yep. The water pump on my 5.7L Vortec leaked out the weephole. Was a breeze to replace! Love that ding it does... DING! Fries are done!

[@j.cooper2246]

I love the air hose swivels..I have ordered 4 of them..I see u have them on all your air tools...small fortune wrapped up in those..$10.a pop...butt they rock..

[@codyrolando7710]

love your videos I'm a mechanic at a shop in Craig Colorado named quality repair and I watch your videos every time they come out cuz you've showed me tricks I would have never thought of. nice shop man. glad to see there's another honest shop out there!!

[@SouthMainAuto]

Thanks :)

[@dogbyte555]

Thanks, man. I have 3 5.3s. I haven't needed a water pump yet, but when I do, I'll be all set (except for that pulley holder thingy).

[@michaelhaney3175]

Every time a water pump pulley chimes. . . . an angel gets his __________

[@rickvb8407]

.... 10MM socket back.

[@inhocsigno9151]

Chevy/GMC rings my bell.

[@sbcncsu]

@eric o I have done this job twice on my 2004 Yukon XL 5.3L. First time it was about a week after I bought it used and it was the OE gasket that failed. The next time it was at 160K and the pump puked the Dexcool dramatically out the front of the shaft seal. It is a very easy job.

[@jeffdragna316]

Super helpful 1500 Silverado 4.8 now I no what I'm getting myself into u make it look so easy

[@user-ev4pb9xj7e]

Having all the right tools and equipment does make things a lot easier.

[@randyhaumschild2791]

He was actually disappointed he didn’t snap a bolt off that’s a true mechanic. I snapped bolts off in the engine block for fun!

[@afmoa]

Wanted to see what it entailed. Should be an easy fix for me. Thanks for the video.

[@Teamvenomracing]

Awesome vid thanks. I would recommend picking up a vacuum coolant tool. to refill the system. They are great and stop any air pockets and eliminate those hard to bleed systems like a Subaru. I use the Mighty vac MV4535. Its a much needed tool.

[@bryanbrannon6196]

Awesome video, very helpful. Thank you!

[@jollyrogersilversparrow8418]

thank you posting video to help me fixed my chevy :)

[@shaneharrison4775]

Lol as soon as I see the lift up I knew you were doing what I used to do. I had always used my 18 inch crescent wrench and a screw driver

[@mickdund24]

Great video! I've already got the parts so I'm gonna rent the pulley holder set and take a crack at it tomorrow.

[@chrishigdon1070]

my pump went out today so thanks for your video, im a welder not a mechanic

[@jamieargent7139]

Thanks I'll be swapping my waterpump out tomorrow on my 6.0

[@daviddavis3619]

Taking the tires off to make it easier is one of the pimpist things I have seen in a long while 😅. I love it. Great Video

[@bborkzilla]

"Just ate lunch. Don't really feel like leanin'" Love it!

[@SouthMainAuto]

+hoppes9 Just the truth :)

[@keithkennedy4859]

great job getting this guy back on the road..i do contracting also..i cant afford even one day with out my van.

[@bborkzilla]

That pulley has the same "ding" sound that the old timey gas stations used to have when someone pulled up to a pump...

[@FunkyBruja]

Excellent. This very interesting to watch. I thought I could do it myself until you removed the belt. lol

[@yonderosa]

Outstanding video brother! I cam looking for weephole location and stayed for the whole job. And you got a new subsciber!

[@kellyt5056]

Eric o its alwyas exciting watch and learning from you man come on man

[@carmelomartinez9330]

Love your videos dude makes everything so easy thankyou

[@ernestrodriguez4659]

For whom the bell tolls? For Eric O. The wrenchinator!!!

[@bobjones3846]

Got that truck beat , mine a 1999 gmc sierra 5.3 v8 with 154000 miles on the clock . still on the factor water pump . Seen on you tube . Doctor D907 said the go out about 150000. Got a new one ready from 1A Auto ( kit - pump thermostat, gaskets )Just waiting for the weather to get warmer here in Minnesota .

[@Jon.Rushing]

I love how Shiba (I hope I spelled it correctly) is just chilling in the chair while you do your conclusion. :)

[@amo0707-]

At 12:45, very nice! Thanks for the video, this helps a ton.

[@carlkraus6034]

Love the video. No Gasket Maker on the gaskets Huh? Yeah, I own a 2001 Jimmy 4.3 and I did the pump, hoses, thermo, radiator, heater core, and belt. I flushed and put in the green stuff. I don't trust dexcool. Had to change head gaskets on a 1999 Blazer because of that stuff. I've owned 3 different 4.3L. I like GM.

[@Mr.G626]

thanks for this video as i might be changing the pump on my 2005 4.8 in the near future. The only difference on my truck is that it has an electronically controlled fan, so i don't have to deal with removing that nonsense lol.

[@robmcrae8713]

Thanks Eric. Great video!

[@scottfrost47]

This was an excellent how to. Great job.

[@scflooring8658]

Great sig move lol! Great videos as always!! Best you tube mechanic by far!

[@paulhaywood7685]

Thanks for the video! Needed this.

[@panchito6939]

I did this to my '06 5.3 about 10 months ago and it is different than that 6.0. Either by year or just block. My thermo housing didn't have that extra bolt hole, pump gaskets didn't have 2 opening (just the square for pump galleys) and of course being newer it has electric fans which made it WAY easier. Doing numerous amounts of these pumps, I am jealous of the easiness you had removing that fan Eric!! lol. But thank you for keeping more Bowties on the road and trucking.

[@SouthMainAuto]

+Frank Womack 99-06 are all the same...

[@panchito6939]

Copy all!!

[@18888888888888888886]

+South Main Auto Repair some of the 5.3 are different I don't know why i guess that they changed them 05 and used the same engine till today

[@Blazer02LS]

+K GM used the Generation 3 5.3 from 99-2007. BUT they started using the Gen 4's in some applications in 2005. Gen 5's started showing up in 2014. So it depends on which vehicle it's in.

[@samd410]

you are great mechanic..... enjoy all your videos...keep them coming... love sheba

[@troutjunkie7330]

OMG, I was just doing this job laying on the front grill. My chest still hurts. Never thought about taking tires off.

[@SouthMainAuto]

+Astro Camper ;)

[@paulcarroll750]

+South Main Auto Repair another great video from sma. Even if you made a video of just torquing bolts i would watch it just to see that sweet torque wrench. lol. I have an 03 pickup i bought new and it has 141,000 miles and is on its 3rd water pump.

[@scflooring8658]

Awesome job and don’t forget to ring that bell!!

[@ianwindley1555]

excellent video's keep up the good work (watching these from the uk)

[@leebarnes655]

Standing ovation for floor mounted vehicle lowering device - built in. LOL with clapping at that point, sure beats the sawed off railroad ties I have to dance on. Best value done while in there too so he really got his moneys worth at SMA.

[@michaeltheis9473]

This is a great video and I am sure I will refer to it when my water pump goes out on my truck. 128k on it and so far leak free. I must be lucky! I am a new subscriber and I just like your style Eric. Maybe do a little video on how you got started? A little about you? I think many of us would find that fascinating.

[@jeffreyradford6088]

thanks for the class. great day

[@2CARGARAGE]

I think your videos are the best. Been here since you only had 3 or 4 videos up. Keep up the good work!

[@SouthMainAuto]

+MrTJ JeepKJ Oh man all the way from the begging. Those vids were rough too!

[@DriveBetter]

I've got to get those fan clutch tools. I've done 4 of those jobs in the last 3 months and used big Channelocks and a pin (usually an allen wrench) slipped through a hole in the pulley to keep the thing from turning. Guess I should go ahead and invest in the right tools.

[@SouthMainAuto]

+TheBurnout Yep they are pretty cheap to buy

[@547Rick]

Nice video Eric! Have to save it for future reference. Thanks!!

[@mr.nobody4900]

Easy money!!! Thumbs Up for this video

[@walterburaconak6260]

Did mine today just that simple! Thanks

[@adamgronk6792]

Nice work, nice camera angle lighting and all,,,

[@theacguy9601]

I feel your trying to hypnotize us with the bell, must watch more SMA.......................ding.......

[@clove2321]

thank you for this video, very helpful.

[@RedWhiteAndBlueVideo]

Looks like I'm going to have to do it. Good Video Eric.

[@skokie23]

Thanks for the video Eric! I may have to refer back to it when my 01 Sierra's waterpump bites the dust :) Keep em coming!

[@SouthMainAuto]

+skokie23 the 01 is a bit different....

[@gregrobinson9827]

one thing is for sure working on rusty cars will make a man of you iam learning that the hard way lol!

[@robertclark9235]

Greg Robinson

[@robertclark9235]

Greg Robinson

[@thecuss6817]

Did two water pumps on our 2005 Yukon Denali 6.0 liter engine; that vehicle had electric cooling fans though. I remember when buying the WP that I asked for a 6.0 liter water pump, had my leaky one with me. Guy said good thing you didn't have a Denali, different WP, and I said - actually I do, and he brought out a different part number WP, same price. So here had all three WPs on the counter, could not see a lick of difference......all had threads so could be used for engines with a belt-driven fan.

[@Garth2011]

Hard to beat those LS engines. Some are saying they will go 300,000 miles easily if regularly maintained. Seems to be a great idea to do both belts, both tensioners and idlers when it's time for a water pump especially with 100k on the factory ones even though the part bill may be a tad higher, those issue won't likely be a future need. Not sure how long upper and lower rad hoses last but after 100k and some years, those could be a good item to replace too. Nice clean replacement job Eric. Also, loved the pulley chimes every so often.

[@JeremyKMcGill]

Garth Clark mine is over 500,000.

[@Garth2011]

@@JeremyKMcGill Nice, keep changing the fluids !

[@rahrah8076]

My 2010 Chevy Silverado 4.8 has 420,000km on it..barely maintained and still going lol

[@BillLaBrie]

300k is midlife.

[@chrisbain7773]

Great video as i need to make a list of things I need to have done later this year as most of my stuff under the hood is or Original as i have over 206.000 KL on it. on my 2010

[@randygudeahn7304]

I watched this in my van today during my lunch in a park outside Mt . Morris. while eating my tuna sandwich you get to the ac belt and I lost it, could not stop laughing.

[@SouthMainAuto]

+Randy Gudeahn (ProTech) Haha thought you'd like that :)

[@selcosucks]

6.0 is the best small block chevy ever made