HOW TO PREVENT TIMING CHAIN PROBLEMS l GM 3.6 ENGINE PROBLEMS

Hello everyone! Welcome back to my youtube channel. In this video, I talk about the main engine problem with the gm 3.6, 3.0 and how to prevent timing chain problems. Watch the full video to learn about the main engine problem with the gm 3.6, 3.0. (gm 3.6 engine problems & how to prevent timing chain problems)
I hope you guys enjoy this video, If you are new to my channel, I am happy you clicked on my video!
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[@sonnyjoe954]

He's genuine! Stand up guy, straight shooter! My kind of mechanic! I can dig it!

[@Hummin_Along]

Direct injection gasoline engines in general need oil changes very often. Also I have learned that it is crucial to use a good name brand full synthetic oil. Gasoline direct injection engines run hotter and are prone to diluting the oil with fuel. So you really need to keep up with changing spark plugs too. Now before someone says something about the oil you go with a name brand so you get a better additive package in the oil. Another thing I have learned is direct injection engines prefer 93 octane. Yes the ECM absolutely knows what kind of fuel you are running. I'm a mechanic of over ten years and went to a trade school. Just trying to help people out is all, just like this dude. My wife has a 2016 Traverse by the way.

[@johnnydrakos6407]

My understanding is the direct injection system cool the tops of the pistions which is how they were able to up the compression and run 87 octane in an engine that has 11.5-1 compression ratio. The turbo charged engines however do run hotter.

[@Hummin_Along]

@@johnnydrakos6407 Direct injection has nothing to with cooling down combustion. It just gives the ability to make the fuel injection sequence more precise for fuel economy. The only way to cool down combustion is either through fuel by adding more of it or running a cooler burning fuel like ethanol or methenol. The other way is by injecting something like NOS or water into the intake charge. While you can say that about direct injection those are just happy by products. But DI only has a cooling effect because it has not warmed up by coming through the intake ports.

[@titoortiz5924]

I have that engine in my 16 Buick LaCrosse got around 93k miles an I change the oil around every 3500/4500 miles I drive a lot an drive my car hard any other recommendations on how to maintain my car better

[@ggfgvvn.a.5752]

so i got a v6 camaro with the lfx motor and it says to run unleaded but should i run Primmum since its direct injected and the additives would help clean it or would higher grade gas hurt the car. i haven't been able to find a definitive answer so i've been putting premium gas in it once every 3 fill ups

[@jasonsharpbucks]

​@@ggfgvvn.a.5752don't waste money on premium, make sure you get top tier gas though, look up top tier gas

[@vladimirl9005]

I have a 3.6 engine in my 2010 CTS, I'm learning a lot of things I didn't know before. Great video Boss!

[@Khorne19]

I dig your style. Real down to earth, no fancy shit, but you know what you're talking about.

[@jljones6328]

I appreciate the breakdown on these engines big bro. I have heard that these engines are bulletproof as long as you keep clean oil in them. I change it every 3k-4k miles in my 2018 Camaro and my service guy looks at me crazy every time I come in with 50% oil life remaining 😂 😂😂

[@prestonpetterson4990]

I change my CTS at 50% too (we have the same engine) I met a gm engineer that knows the engine and says to change it at 50% to keep it around forever.

[@jowensblack48]

Cheaper than an engine and replacement…

[@retiredsnowbunnyhunterx5106]

I know right! I don't even let it get to 60% being rare I normally do it at 70%. I bought my car used with 155k on it. So far I've gotten 10k out of it. It doesn't leak or burn oil at all. I also change the pcv valve twice on it out of the 3 oil changes I've gotten.

[@markbohaczyk]

I have a 2004 Cadillac CTS 3.6, first year of the 3.6 with the original style timing chains. In years after GM changed the chains and gears to be quiet. This is when it has the most problems, I believe 2005+. Change oil Mobil 1 10W-30 every 5000 miles for life of car. 229,000 miles, original timing set!

[@yunusquddusofficialactor]

I'ma do it every 3000 and try to keep it perfect..hope to get 250000 miles out of this joint

[@yunusquddusofficialactor]

Had 186000 on last one..... Did it myself never had a problem... Lucky I guess

[@Browneye57]

Excellent info. I have a new to me 2013 XTS with 60K - did a Liqui Moly engine flush, then a few miles on an oil change, and then changed again and put in amsoil signature series with a new delco filter. The first oil had been in there about a thousand miles - the dealer did it pre-sale prep. I was ABSOLUTELY SHOCKED at how dark the oil came out, even the second change was dark. Engine is nice and quiet, I'm hoping to get plenty more reliable miles on it. BTW, did a drain and fill on the 6T70 automatic fluid three times - again, shocking how dark the fluid was. Don't neglect these cars - they will bite you back HARD!!

[@rshettle123]

Yep, it's having to clean out a lot. Eventually, the oil after 1k miles will still appear light and transparent like it should. I don't go beyond 3k for an interval.

[@kevinmoler4225]

Great info. I drive a 2013 Lexus ES350 and the oil always looks like it did when I changed it. I'm looking to replace the lexus with a XT6 or GX460. What is the difference between GM & Lexus engines with respect to engine oil color? Thanks,

[@Browneye57]

@@kevinmoler4225 Oil color has to do with how much sludge dirt and carbon it keeps in suspension through the detergent process of the oil. If the engine is clean inside then the oil won't get dirty. I imagine the Lexus engine runs cleaner, but all depends on the environment it runs it, it's age, and the frequency of oil changes. The XT6 uses the latest generation of this 3.6L V6, which is much more durable and reliable that earlier iterations. Dirty oil just means it's doing it's job - and any extended interval, say past five or six thousand miles, should begin to get dark from suspended dirt in the oil. I had a 2001 BMW 3-series that would hardly dirty it's oil in 6K miles, once I got the engine cleaned out to begin with. The first owner went 10K on OIC's, so a few flushes and changes and it cleared out the sludge inside. IMO OIC's should not be longer than about 6 or 7K unless you're doing analysis to determine additive package remaining, and to check for any wear indicators. Blackstone is a popular testing lab.

[@patriciap1214]

I just bought a Chevy 2024 premier blazer. I’ve had it for a little while now and I drive it to work around 8 to 10 miles a day one-way. I pulled it in my garage and change the oil at 2000 miles and that oil came out really black at 2000 miles so believe it or not I will be changing the oil at every 2000 mile intervals I know that’s excessive but I had a 1987 Chevy pick up with a 350 in it throttlebody injection and I changed you on that every 2000 miles, I had the engine for 425,000 miles and I still have the truck today with the same engine no problems and it doesn’t burn oil. I know the engines different than this one but I will be changing the oil just like that I can’t believe how black the oil got 2000 miles if you could use the GM oil monitor in your car all they want you to do is make sure it gets past the warranty and then you’re on your own. Thanks for your video. I’m sorry about the car but this is what I have now thanks again you really explained it well.

[@tresjolieme81]

I have a CTS 2008 no problems yet! had it for that long and its got 135k miles. Wish me luck trading it in finally in 2 months.

[@rowdytriesstuff9173]

Will definitely be changing my oil a 5000 miles. Thanks

[@robowebowe]

You are a really good teacher. The video is very informative. Please continue to make more.

[@Wyn61]

I've learned a lot from you Sir!! This & similar videos opened my eyes on some erroneous assumptions I had about this Engines' behavior!!! Well done Dude!

[@Wyn61]

Just a quick update: Got my Oil-changed today in frigid Fargo ND! -2F @ 1pm if anyone wants to visit! Anyway.....2 weeks ago, I put about a Cup of Seafoam in the Engine-Oil, since this O/C was due. I've done that for a few years now before O/C's. 4,000mi interval this time. S-F is such a good cleaner too. That's why I use it in Oil AND Gas! Hopefully, I've got the cleanest LFX around! Regards, Faron

[@Paul-vn5mi]

2012 and up GM changed the oil passage sizes and improved upon the engine. I wouldn’t bother with a pre 2011 unless you’re either A) Gambler or B) Technician.

[@theshield1613]

Can i put a 2014-2019 3.6l v6 engine into a buick lacrosse 2010

[@Paul-vn5mi]

@@theshield1613 no.

[@nathanielbolden5053]

I have the notorious 3.0l v6 300k and still kicking ass!...however I have changed the chains before not that bad of a job!...had it done in 4hrs or less than again I'm a mechanic!...but the PCV is the Achilles heel of the workhorses!...drill em out bigger or run a catch can and they'll outlive us!

[@guadaluperuiz6413]

is this true? where can I see info to back this up? im trying to see if I should buy a 2013 Cadillac CTS 3.6L

[@MichaelBrown-op4di]

@@theshield1613 ⁸88

[@arc00ta]

Great advice! My car has a 3.6 LF3 motor, I change the oil religiously at 4000 miles - $60 every few months is way cheaper than $6000 for a motor. I arrived at this conclusion by sending out oil samples to blackstone labs and tracking the oil additives, 3500-4000 is perfect, 4500 if there is some reason I can't do it right away. Granted, my car is a twin turbo which is harder on the oil than a naturally aspirated one, but I'm almost at 100k and my engine looks immaculate inside and the timing chains are in perfect shape.

[@Khang602]

Do not buy Chevy is cheaper.

[@benchmark3332]

Changing the oil will help but the chain is not good quality so it will stretch no matter what. GM saving money at the cost of people's money.

[@JW-gb6hq]

Great explanation looking at one of these used and this was great info.

[@UPDOG350]

Just did this job on my moms 2008 Cadillac Srx with 197k miles. I added 2 oil catch cans because of the bad ventilation. And I add a quart of oil every 1500 miles. Great engine, just gotta keep on eye on the oil level.

[@rschneid1996]

If you want to address the oil burning, I suggest a B-12 Chemtool treatment at your next oil change.

[@larrychurch7840]

Explained very well. Thank You for sharing your knowledge

[@MSZamil]

Outstanding Works.

[@robertgreen2658]

Very good advice thank you

[@thecircleoflove7557]

Nice video. I love your explanation.

[@kellimasters5327]

Thanks for the great information!

[@C-Lightning]

Thanks for the knowledge on the engines!

[@danielmcgregor8803]

Nice video man. Thanks!

[@guyallphin1295]

Thank you for this video. This seems to be a problem with many GM engines. Great job. Rev

[@wireyone23]

Confirms what I've been hearing. I just changed the timing chains (195,000 miles `09 cts). Code was saying left bank chain was stretched and I couldn't pass emissions. All done and did a couple of changes and a flush (and a plug change). No problem passing emissions. Its gotten only mobile synthetic - but I'm bumping my changes up to every 3,000 miles. Good video - THANK YOU!

[@Urbannestquest]

Thank you for the information. I learned a lot. I will change me oil every 5k from now on.

[@ortizc1989]

Definitely check the oil once a week. I do on my 2015 v6 camaro. Don't wait till the oil change go ahead and add some fresh oil to the fill mark on dipstick. Either get oil changed every 5k miles or go off the oil life % either way check that dipstick!! And add oil!

[@jamessowder193]

I have a 2010 Cadillac CTS 3.6. It used oil like crazy. Drilled out the pcv valve a little bigger on both ends. There's specific sizes to drill them out to, so don't just go crazy, look it up and do it correctly. Ever since I did that, it barely uses any at all. Might use a half a quart between oil changes just keeping it at the full line. Actually runs better too. Has a little more response and seemed to gain a little more power after that fix.

[@unti419]

GM came up with a new passenger side valve cover gasket that was also to limit the amount of oil sucked into the PVC. The PVC sucks from a section in the back of that head, and the PCV valve holes being too small created an air velocity that took in oil. Not sure, but I think that came out in 2012. That's what I read somewhere. My 2011 CTS Coupe had the timing chains replaced under warranty by the dealer around 50k by the previous owner so that was probably upgraded. I use little if any oil at all between changes at 105k.

[@tannerjohnson31]

The reason I know this is because I tried turning the engine over with no spark plugs and was shocked how much force it takes to turn that engine over and realized it was the high pressure fuel pump taking all that Force. After I remove the pump the engine would turn over very easy like the normal engine should but with that pump in there it takes a lot of force to turn that over and all that force goes through the timing chains, the bottom and the front one. Good video thanks.

[@gtpsic]

Thanks man. Good info. I wish I knew to ask for the oil pump when the chains were done. Maybe they did it..I don't know...

[@boosuedon]

Nice job Dude!

[@Wyn61]

>>> This is SO important

[@NancyFireIce]

good information, thanks

[@OhSoddit]

Don't underestimate the impact of the "PCV VALVE". 2004 - 2007 models had a design flaw, and the pcv valves will gunk up and jam. This causes increased crank pressure issues, resulting in excessive oil use / oil burn / sludge. The pcv valve can be "maintained" (cleaned at every service), or (better yet) MODIFIED (see videos on how to drill resized holes), or replaced with the new (> 2013) design. There are those that believe THIS (pcv valve - poor ventilation) is WHY the GM service intervals are too long.

[@vinnygraziano1318]

On these GM 3.6 engines, I change the oil every 2500-3500 miles only exception is a long constant highway road trip and I change it when I get home. Keep the oil clean in these engines, they're fantastic if you do

[@ericpigg2689]

Mobil 1 every 2500 miles? You'd be money ahead to buy another engine at 150k! ; ) J/k, but that seems extreme, especially if you drive a lot.

[@CrackalackinJenkins]

Thanks for the info!

[@Marco-ti5wb]

Thank you. It's really great information for owner who have camaros. Do you recommend to buy the LLT engine?

[@banditsbc75]

awesome information and video

[@fixitdaniel]

Good stuff man like you channel.

[@fuguf1sh]

I had an 08 Suzuki XL-7 with this engine. I bought it new and kept the oil clean. It lasted about 80K miles before the timing chain stretched enough to throw codes. There was a recall that I missed. $2-3K repair back in '17. Traded it in.

[@santileonsteinberg1441]

I just inherited my grandma’s 2014 Buick Enclave with the same engine. This video was really helpful as I have read a lot of horror stories on this engine, now I know the basics on how to prevent it. Thank you!

[@myfavorites1016]

yes , changing that oil ontime is the best . i had a 1994 oldsmobile 88 royal over 200,000 and i had to replace the lower intake gasket , the engine was clean no sludge . and plus i get it on the highway and get that engine up to operating temps , good luck on your 2014 buick

[@santileonsteinberg1441]

@@myfavorites1016 Thank you, I actually took it to the dealer last week for a full service before the service light came on and they told me the engine was in perfect condition. It’s been a good car, it’s huge but doesn’t drive like it’s that big, there’s a ton of space for me and my dogs which is nice. I’ll keep on changing the oil on time and I hope it lasts me a long time.

[@myfavorites1016]

@@santileonsteinberg1441 ive always changed oil at 3k maybe just slightly more, but with my driving as half in town , half highway, then yes i still change oil on time , I've seen and heard about the parts of the engine that can start to fail if neglected. Such as timing chain , the bearingings the piston is on . So i dont go by nothing but my own rule . It gets its 3k oil changes. Plus i warm my car up in the winter, even tho my current car 2013 Chevrolet impala is all computer controlled and its more updated to when computer tell everything when to work, i still think its best on even the transmission. Im probably to pickey , but hey its my car

[@bobbyheffley4955]

@@myfavorites1016 3800 V6

[@stevejohnson1397]

You can prevent it by trading the piece of shit off on a Ford Edge

[@rschneid1996]

I have a 2011 Buick Enclave with 184k miles on it. I follow the factory oil change guide (7,500 miles) and infrequently add a ceramic additive. I think changing the oil every 5,000 is a prudent suggestion. I also encourage replacing the PCV valve and breather tubes every 75k miles. Enlarging the breather holes on the PCV valve is strongly encouraged.

[@nickalspach]

Thank you! This video helped me make a decision on buying one!

[@CadillacDriver]

My 2010 CTS 3.0 oil life hit 0% at 6,000km. Perfect.

[@HardChuck365]

Bought a used 2012 impala with this at 26 thousand miles. By 90 thousand miles this had happened and the whole car was falling apart. Never again.

[@jaymobsta1]

*Eye hear your knowledge my brother*

[@LesterHightower]

This is a great video! Can you provide some more detail on the engine flush that you referred to? Thanks!

[@robertleidy8396]

Fantastic and informative video. New subscriber here. Thanks

[@ablelawrence5750]

Well said. Subscribed, thanks eh

[@MattJones1829]

Good stuff Boss...thanks! And I'm seeing that ZX-14 sleeping in the back ground!!!

[@donreid6399]

When I heard about this problem with the 3.6, I started changing the oil at 50% (according to the oil life monitor). Hopefully that will delay my cam chain stretch difficulties.

[@coinpusherr1558]

that is what i do also..

[@unti419]

The new manager at the oil change place I go to asked me what I wanted the oil life mileage set at, I said 5k. Either there is a way to change it or he was BS'ing me. He seemed to know the engine and its problems. So far it seems accurate.

[@Sherman62]

I do the same with my LS based Silverados, which suffer oil related problems as well. They are not OHC, but experience AFM problems and a drop in oil pressure. IMO, factors are poor PCV, small filter element, AFM related oil consumption. I have deactivated AFM and increased oil changes. Things are better. Now I've got a 3.6 Camaro and it is interesting to see such similar problems. Will stay on top of maintenance!

[@thomasmeyer8854]

thanks ,check and change oil sooner is way cheaper than timing chains ,thanks again

[@TV88WDGAF]

Great video!

[@TimothySpadano]

My mom has a 2012 chevy traverse. I do the oil changes for her every 5k miles. It has 190k on it now and its running great.

[@terryscfleet5059]

great information what would you recommend for engine flush what sort.

[@MarkSmith-js2pu]

I’ve got a 2012 Acadia with 161,000 miles. It got new oil and filter every 5000 miles and doesn’t burn any. I never drove it hard, the transmission is on its 3 or 4th drain and fill and works fine.

[@davidahart2476]

I'm got a 2002 Trailblazer with about 160k and a 2013 Impala with about 150k, I have the oil every 5K and add Lucas oil treatment each time.

[@robertv2787]

Very nice explanation. Thanks!

[@camaromodschannel]

I change my oil every 3-4k miles and have over 150k on my 2008 Cadillac STS, Good engines if you take care of them.

[@deere3321]

Timing chains don't like dirty oil. I change mine every 3000 miles with synthetic.

[@great4ever845]

Yeah mann it seems that way every like 2500-3000 miles my timing chain starts to make noise

[@johnvento7011]

Excellant, Best of the Best.

[@Clarc115]

Thanks

[@jerryguzzi]

wow, our 2012 Impala LTZ has 185 thousand +, it dropped a coil #4, so thought I would replace all 6, then checked timing chain replacement and estimate to change these and haven't checked on oil pump yet. I may have to park it . We bought this used at 26, 500 miles, 110,000 had to get transmission replaced and it's still has a hesitant at 50mph in cruise. I just don't know for sure what to do. I enjoyed your video though. Thank you and Merry Christmas =

[@DailyDriver.]

What’s your opinion on the 3.6TT? The LF3 in the CTs v sport and the LF4 in the Ats v

[@jrennish]

you got a gift my dude! also liked not hearing alot of fluff and time wasting stuff!

[@MrMckenzie2403]

You nailed it! It's a engineering F-Up. Saabs don't have this issue. Better heads do to a turbo. Also another big thing! its a High Feature Engine! High compression! use the gas gm tells you to use! These motors are none like any motors in some since. They are as small as a 2.8 and can be punched out to a 4.0 No motor can do that with out sleeves. This one can. Look at the vent valve on the covers. One side it is big while The other is tiny! Take that cover off and take a bit or something open it up! That will help that side vent better. Oil and gas is all this motor ask for. Don't cheap out! It will treat you well!

[@deere3321]

OK!

[@zoomanx9661]

What the @$#& has GM done🤦‍♂️

[@nissianjeff2478]

I have an 07 Cadillac CTS that I love dearly and baby it to the hilt, with a 3.6 VVT engine. Never had a lick of trouble with it at all! I keep my oil changed very regularly though and he was nothing but for synthetic oil in it of course. I checked the oil every couple of weeks or so and it always seems to be right on full. Once in a while I might have to add a splash or two probably just a couple ounces if that. But really, it doesn’t even use any oil so to speak. I Find My 3.6 to be a pretty good engine in my CTS.

[@kskip4242]

Same for my 2012 Impala just keep some good synthetic in it and keep it topped off I got over 200,000 miles of mine and I drive mine hard no issues at all the LFX 3.6 is a very strong engine. It's the older 3.6's that have issues.

[@ep9372]

@@kskip4242same man! I’ve had mine since 134k miles I’m about to hit 180k soon and been on top of my oil changes 3-4k never gone past that, and it’s been really reliable

[@kskip4242]

@ep9372 sadly mine was totaled out in January. I was side swiped.

[@marcomizzoni8323]

At the end of the video you were recommending things that would prolong engine. After changing the oil every 5K miles it sounded like you said forcing telecoil..not sure if I heard correct but what is that? Thanks for your video and your time

[@Thanatos2996]

I have an LGZ, good to know that the oil life indicator is unreliable. I drive less than 5K miles per year, so I always change on the months anyway, but that’ll be good to keep in mind if I start driving more miles.

[@kippaseo8027]

Very interesting! Great video bro thanks for breaking it down like you did so even a dummy like me can understand.🙏🇺🇸✌

[@richmac918]

I have an 09 Saturn Aura with the 3.6 and it just turned 270K the other day. Based on my experience with this engine I thought they were pretty much bullet proof but looking at the forums not everyone has been so lucky. I change my own oil and have been from about the 3rd year I owned the car. Never rely on the oil monitor to tell you when it's time for an oil change - do that and you're absolutely going to have issues. I change my oil every 5K miles religiously. Used conventional oil for the first 100K and then switched to a full synthetic and the car is still running great.

[@richmac918]

@Jimmy S Nope, I'm the original owner. Never had the chains replaced, same water pump, same starter, same alternator, same everything. Tranny is leaking very slowly ($70 seal but about $800 in labor to get to it). Hope I'm not jinxing myself writing this but still going strong after all these years.

[@Drippyxclutch1]

I have a 2008 Chevy equinox sport with the 3.6 vvt what’s your opinion on it?

[@josuejimenez4744]

I’m looking for a 2014-2017 GMC Acadia 3.6 and I was warned of the timing chain I’m looking at ones under 120K . When do they usually go out on the cars ? And I’m assuming try to find vehicles with great oil change records

[@thebiglebowski4309]

Great video. Thanks mate. Does running on higher octane fuel help with the extra lubricants?

[@bossautomotive7786]

Not really

[@jonathancristobal4724]

❤good video appreciate it I change 3000royal purple

[@TV88WDGAF]

Matter of fact, exactly where you are sitting, and your hands rest, is where the oil moisture is on my car, and where i felt the rubbery stuff portruding between whatever covers all that up and the block, and got new oil on my fingertip. The oil filter would be the front of my engine, where you sitting the rear. See my first comment. I also suspect engine sludge. Again I don't know shit bout cars. I change oil according to oil light. Great vid.

[@scottpoet]

great stuff

[@dennisgray4456]

I got a 2011 Camaro with 3.6 and it jumped time and broke the cam. Think goodness for a extended warranty on the drivetrain.

[@HardTrancid]

I wish I could afford too replace mine, its pulling a P017 but i's a 2008 and I got the vehicle for free. Hoping it doesn't fail on me within the next year or so. Doing regular oil changes praying she keeps me going to work!

[@MAS-001]

Hi Boss Automotive, first of all great advice regarding the care of the engine but, as an owner of this engine, I would like to add something to your advice if and when someone does decide to do an oil change or timing chain it is highly recommended to: 1) Remove the old oil filter and Drain the old engine oil out first. 2) Install new oil filter and Add engine flush in the engine before refilling to specifications with new engine oil. 3) Run engine with the combined flush and oil as to the instructions of the engine flush solution. 4) Remove oil filter and drain engine oil. 5) The owner may repeat the engine flush again if the owner thinks it is required (but in truth, I always flush my engine twice) but this requires extra oil filters and engine oil t be used. 6) 2nd flush, Remove oil filter and drain engine oil. 7) Install a new oil filter, and refill engine to the recommended specifications with engine oil. 8) After the new Oil Filter is installed and the new Engine oil is filled to the correct and recommended specifications, the owner must check the colour of the engine oil (via the dip stick) as they drive the vehicle, as soon as the engine oil turns black, change the oil filter and engine oil. Hope this helps. (P.S. By the way, if the engine has suffered neglect from irregular servicing it is always recommended to have the sump/pan oil pickup checked, cleaned or replace, especially if the owner has just flushed the engine and then replaced the timing chain and installed a new oil pump).

[@segbachan5123]

Great suggestions MAS.I have a 2012 Buick enclave, 103K.kilometers, great car but on cold starts like in the morning it would idle high and very erratically for about 20 seconds then idle great afterwards..I can hear like the timing chains making some noise and think i need to change the timing chains.. I am thinking about doing a oil flush but not sure what is a good flush to use with these engines, Sea foam, marvel mystery oil etc.. Anyone knows what flush works well with these particular engines. I never go past 7K or 8K kilometers between oil changes.. thanks

[@vincentrobinette1507]

If the engine needs a flush, you've waited too long since the last oil change. I don't own this particular engine, but, I think a much more accurate way to gauge oil change intervals, is based on the amount of FUEL consumed by the engine, and ignore time or mileage. Each quart of oil in the crank case is good for ~30-50 gallons of gas. If you get 30 miles per gallon, that's approximately 900-1500 miles. If your engine holds 5 quarts, that's approximately 4,500-7500 miles. In this engine, it might pay to change closer to the 30 gallons per quart. (I don't know how much oil this engine holds)

[@gtpcruiser02]

​@@vincentrobinette15073600 V6 holds 6 quarts of oil. I am going by my 2017 Chevy Impala with the 3600 V6 holding 6 quarts.

[@gtpcruiser02]

​@@segbachan5123...7 or 8 kilometers is way to far between oil changes for the 3600 V6.

[@segbachan5123]

@@gtpcruiser02 that's only 4300 to 5000 miles and never past that ever.Most of the times i do 5000K kilometers

[@jjcastleberry3662]

I have the oil changed in my Ford 2001 E-150 (5.4L/329CID) Conversion Van every 3,000 miles. She has 196,000 miles and no engine oil leaks. I've noticed I'm burning roughly 3/4 quart of oil between changes. I check my oil every time I gas and add when needed. I have it on good authority that my Triton V8 will hit 500k before needing to be rebuilt. Coolant is changed every 120,000 miles or sooner if it looks nasty.

[@KnobleMoto]

Nice explanation. What mileage should I expect to replace the the tensioner/chain?

[@bossautomotive7786]

90k,

[@justoyzracing9193]

Should I add a catch can and remove the crankcase vents from the air intake track?

[@mikeschiavoni5973]

Pcv valve too. Easy but critical. They like catch cans. And a catch can too.

[@bossautomotive7786]

Catch is a good move

[@gman6duece924]

i have a 3.6 and i change mine in 3000-mile intervals... i do have a oil catch on it as well and i have 110,000 on it

[@francisbarrett1881]

when a new chain and rollers , guides are put in will it stretch again ?

[@unti419]

The manager at the oil change place I go to asked me what I wanted the oil duration mileage set at, I said 5k. Either there is a way to change it or he was BS'ing me. He seemed to know the engine and its problems. So far it seems accurate.

[@jas4925]

First problem the stp oil filter. Second problem cheap oil along with a cheap filter. Third problem following the olm. My parents put 185,000 trouble free miles on a Lacrose and 100,000 miles on a enclave. No issues with 5k oil changes .

[@jeanpierreremond2565]

I agree with you. My 2014 enclave has 96k miles without any issue on the engine. I personally replaced the oil at 5k with full synthetic motor oil and full synthetic Fram oil filter ( I tore apart the old filter to verify the quality of this filter, and I was very satisfied with the internal components) I also opened a cheap filter installed by my local GM dealer 😢 that is why I prefer do it by myself.

[@craigg9585]

good video

[@forever1jo]

Melvins the Boss

[@victorcruz6139]

Carnalito a mi se me desvelo dos veces. Descubri que las cadenas se forzaban junto con el cigüeñal hasta tronarse pues los convertidores cataliticos los tres se fundieron por dentro por el primer calentón. Solo así pude con esta máquina. Poniendo nuevos los convertidores. Eso lo deben de saber cuándo están los códigos p016 p017 p018 p019. En relación con los diversos de sensores de oxigeno secundaria. Es decir que no detectan nada después del convertidor . Saludos. Desde México

[@brookstooson598]

Yes Sir engine flush with every oil change. My 2014 impala gets 2 oil changes a year. Nov & May so I'm ready for winter & summer. My tip is to jack the car up on the driver side about six inches and let it drain for at least 1 hour. Or until you can count to 30 without seeing any oil drip out. The oil drain plug is on the passenger side facing the rear of the car. I drive about 10000 miles a year.

[@NK-yv5oi]

@Boss Automotive: Hey, a first owner of a 08 enclave with 65k miles is selling and asking $8k for it. However, he followed the "10% oil life remaining" on indicator for oil changes. Upon checking Carfax, it seems like the intervals have been 7k-8k miles. Should I purchase and follow your oil change recommendation from this point on or don't purchase at all? Thanks!

[@reginaldmclean9252]

very true. timing gears wear with chain. he's right it last 6 months to one year. and fail again.

[@wendellgreenidge3362]

I love these engine, more work for me

[@bossautomotive7786]

Lol. Like your mindset

[@Jack51971]

Boss? What do you think of the 3.8 series 3 and the GM 3.9 engines?

[@willesco5211]

Much appreciated I'm scared of the 3.6L from GM I've heard is bad as hell .thinking of getting their 4cylinder turbo is more reliable. Any thoughts?

[@lethargicstove2024]

It honestly is not my dad has put 70k miles on a Cadillac Srx and it still runs like a champ no issues whatsoever

[@src4409]

I've had my 08 xl7 with this 3.6l for over a decade. I bought it from a rental car company before 50k mi. I didn't even own it a year before the timing chain started making noise. Replaced under the manufacturer warranty. It doesn't even have 130k mi on it now. I change my oil regularly, clean the egr and vacuum tubing regularly, use seafoam in the gas and oil before every oil change... and I have the code again. Mine is burning oil though. I'm going through about a quart of oil every month of daily driving of about an hour and half per day city. I have also always used full synthetic and high mileage oil in it.

[@retiredsnowbunnyhunterx5106]

What type of oil you use? Try using Valvoline extended synthetic oil and change your pcv valve. Might help you on the oil consumption. I have 07 G6 GTP with the 3.6 haven't had to add no oil to it at all.

[@williemoon7522]

i have 175 thousand miles on my 08 suzuki and it has the timing chain codes but it runs perfect and is not noisy .. i`m gunna drive it till it breaks then perhaps drop in a low mileage used engine .. it`s an incredible vehicle ,

[@bossautomotive7786]

Love it.

[@TV88WDGAF]

My 2015 lacrosse stalled on highway right after an oil change. Towed home it won't start now. Low oil pressure light had start coming on after every 20 to 30 minute trip for a few days prior. I would shut engine off, wait a few minutes and it would be fine. But same problem after about a 10 mile/20 minute trip to work, and on way home. Tensioner pulley was rattling. I hope engine is not seized. I read it may have a sensor that shuts engine off when oil pressure is too low to prevent blowing or seizing engine. Hoping thats the case. Haven't got it diagnosed yet due to money problems. Its been sitting 35 days. Yesterday checked oil it was lower than a month ago when shut down. So climbed under to see if any oil had leaked and can see at bottom towards rear of block under where pulleys are it looked wet. And had oil build up. Stuck hand under feeling around and felt a small rubbery portrusion and clean new oil was on my fingertip. I literally pulled the rubbery stuff of it is white. I don't know much about cars. I guess it is a sealer or something. So guessing thats where the slow leak is. Trying to determine if need oil pump or a gasket. Or if engine seized on me, or if sensor just not letting car start due to leak messing with pressure. I also realized oil change only put 5 qts in and it takes 6. And its low at least a quart since when checked day it got towed home. No stain on ground though. Just oily around whatever part that is down there toward the rear of the engine under the pulleys. I am thinking thats where the oil pump is? By looking at your vid its near the crank.