Anyone who has owned a GM with the infamous "AFM" or "active fuel management engine" knows how big of a fumble the government bailed out automaker made coming up with this mess. From lifters that break to cams that get wiped out to the 5qts of oil they will burn between changes, there is no end to the list of problems these engine have. Here in the PRNY (Peoples Republic Of NY) or anywhere in the rust belt the only thing that wears out faster than the AFM engines in these GMT900 series trucks is the frame. On a quiet night around here you can listen to the frame rotting away. So with that being said customers in these parts rarely want to fix these oil guzzlers when they come in with one of the AFM cylinders sucking so much oil it fouls out a spark plug and causes a misfire with a flashing engine light. So in this video I show you a common practice around our shop to keep these junkers going while they are waiting for the frame to rot away. Oh and don't take my word for it that the AFM engines are a disaster, just Google "Problems with AFM engines" and pull up a chair.
-Enjoy!
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Another Day at SMA Another Chevrolet AFM engine. It's a 2013. it's got the Active Fuel Management The Big Five three. Um, this thing's only got a hundred and some thousand hundred and thirteen thousand I think he's at right now.
Uh, these engines are a huge pile of poo. Uh, anybody that knows anything about these GMS and their Active Fuel Management crap that they put on there same thing with the Chryslers any of these Active Fuel Management engines even Hondas they all have the same problem. They start sucking oil on those cylinders so you have to carry out your yearly maintenance if you will on these. which includes replacing the spark plug.
That follows up because the ultimate fix for this thing to keep these things from sucking copious amounts of oil is to rebuild the engine or at least the cylinders that have all the you know, the Rings stuck and put the all the updates in it to keep it from burning oil. or do an AFM delete on it. which you know includes, you know, camshaft lifters, things like that. So if they're not burning oil, they're going to break a lifter and get to misfire and so they're junk all the way around.
And that's not just giving Chevy hate, it's just a matter of effect. Um, anybody who owns these knows it. Everybody's quite familiar with it. If you're not and you don't believe me, just Google it.
Google Active Fuel Management Engines I mean so much so that when you buy a new one from Jasper they give you the option, do you want it, delete it or not? Um and then one thing I would say based on that, if you let's say you have one of these I have a customer that has one of these uh, it was relatively new I mean like less than 10 000 miles on it and he deleted it electronically made it so the AFM wouldn't wouldn't engage. it wouldn't go into four-cylinder mode thinking that it would Preserve Uh, the vehicle from being broke but it didn't quite make it to a hundred thousand miles. It still broke a lifter and you know, had to have the engine tore down. so you know I got to pull the heads and everything and put a lifter in one.
but he does not have the oil burning problem so I guess it's kind of uh, you know, good and a bad. uh. Anyhow, this one's here because it's been, you know, a little over a year since it's had its spark plug change and it's developer number one cylinder misfire. This guy is elected to put a few spark plugs in it every year or two years.
However long it'll go before it eats up a spark plug, oil files and cracks and that's what I advise some of my customers do, particularly in the Northeast This truck, being a 2013, is just a couple years away from being recycled into a new Chevrolet so this is what customers do. It's nonsense to rebuild the engine on these in the Northeast spark plugs are cheap. Let me show you how to take care of your maintenance on your Chevy Hopefully after saying all that, I'm correct. So we've been having a problem.
You know how do you know what the problem is? Um, so cylinders one was it, one, four, six, and seven I think are the FM cylinders. If you get it in and it has a misfire on any of those, you can almost count on it having an oil-fouled spark plug. These spark plugs only have. Oh goodness. Grace Is there how tight did you make that thing? Um I don't know how many miles he has on these. Not a lot since they were put in. So what we're going to do is just do the the one spark plug tune up. I Believe the porcelain is broke on these.
The oil fouled to the point the porcelain breaks. Let me get a smaller ratchet here and then they start developing misfires. So he's been having his engine light come on and go off and flash a little bit and it's off right now. When I looked at my history when I did this vehicle, it was the number one spark plug.
Yes sir, this Baby's all Caked Up with oil. It's got the crusties on it and we're going to put a spark plug in it and get it taken care of. And the only reason I make this video is because I want people to see that option. Um, you know because you might be at a shop and you're like, ah, you know your spark plugs were broke on.
you know one in seven or number seven is all followed up and cracked and you know the porcelain's missing and you know it's You know you need a new engine if your car if you're running your car on borrowed time. Anyways, just put a couple spark plugs in it sometimes. I have some customers I only see every two years or you know, once a year at the most and it's way cheaper for a spark plug than it is to rebuild the engine when the car has an ultimate. Doom So just something to think about.
Let me go get another spark plug. So I'm curious on this one because he said his light had been on, but today it was running pretty smooth. I Can You probably won't be able to see it in there, but as I look down into the porcelain so you can see back here near the grounding electrode, you know a little clump of of oil. soot that's in there.
So oil will typically on the spark plug, it'll turn white and Ashy and it'll oftentimes build all the way around here. It's just be a big hump on here and I can see looking down into the porcelain you guys probably won't be able to see. but I can see down in there like a pretty good ring of the white oil deposit that was stuck on there. and I'm wondering if a big chunk of it fell off and then it, you know, fixed itself.
uh, temporarily. I don't really know. All I know is you know it's history. Code is a 301.
What? I looked back in the past. That's what it was also. So this is what we're doing. Here's our brand new Sparky Classic 41 162.
Napper. Uh, of course I've already gapped it. Naturally, we'll get that started. We're going to get it started with our magnetic spark plug socket from Snap-on not a sponsor.
Don't tighten down spark plugs with this thing. You will crack them suckers every single time. Not every time, but most of the time we're going to use it. Just a standard 5 8. Whoa. almost dropped it. So there's that. I'm gonna turn the camera up.
We'll get a torque wrench. We'll come back. Torque that to factory specs, stick our plug wire back on there. new.
A little bit of dialect grease in both of them so you can get them off next time you need to get them off. That's it folks. That's how to keep your AFM Chevy going. He's running smooth as butter.
Step two in the process is clear: Your codes Here are your misfire code. Go into your live data, Find your misfire stuff. We have a gander at it. make sure that we have no other cylinders misfiring and we don't She's happy.
I'm happy you're happy and this guy will get another year out of his truck. What's up Going to the Post office? Well, you gotta get the post office. I Gotta take mail to the post office I Don't really need any of the Bells but I definitely need me, don't we? So that's it folks. It's not the Cure All end-all solution, but it is a solution to a problem that these engines have.
and it's a good solution in our part of the country because we live in a salt belt 2013. it don't have long left if any. I didn't look underneath it. Um, but hopefully this will get the guy going uh for another you know, year or two and perhaps at that point it's on to a different truck or it's broken half and you know, sitting down at Wilbert you pull out a bath.
Thank you. If you live in a part of the country where you don't use salt, you can actually drive your truck for more than 10 years then this may not be the best solution for you. What's ultimately going to happen is it's going to continue to burn oil on the four cylinders or at least that cylinder and eventually it's going to take out the catalytic converter. So at that point you know if this customer came in with a PO420 or 430, I'm going to verify how much oil this thing's burning.
Usually your customer will tell you yeah. I add you know, two quarts or three quarts every 5 000 miles and at that point I wouldn't sell the mechanic converter because I don't want it to come back and haunt me. and I know for a fact it won't last more than you know three to six months before it burns up that converter again. So big picture.
The real fix is to replace the engine or rebuild it to stop it from burning oil. Fix all the AFM problems that GM has that they will tell you about in service boltons and they tell you how to fix it. They won't foot the bill on it, but they'll tell you how bad they screwed up and then you know at that point you know, delete it. Possibly these things are trash folks.
I'm not just hating Chevys so we'll just leave it at that. Use your noodle. Do it this way. If you want to get another year or two and you're going to send it to the crusher, you want to fix it for real. Fix it for real and I just want you to be for real. In that comment section questions. comments The Entity the Facebook And just remember viewers, if I can do it, you can do it. Thanks for watching foreign.
What would happen if you could maybe use a like hotter burning spark plug
The wave of the future. All will be leased separately….power pack and the vehicle.
got to keep it running for that last drive, to the scrapyard
and Ford has the Triton motor which is a huge pile of poo also, so what pick up truck should we go with ?
If you can do it, I don’t think I can do what you do!
Seems to me the cylinders that are AFM'd off should change every time.
My GM trucks. 97, 00, 02, 06, 09, and now a 17. All 5.3's except 97(5.7), maybe 00 also, can't remember. I put 200k miles on every one before I handed them down to my employees. 97-06 ran great with 0 problems. 09(AFM) ran good, but had to replace #1 spark plug regularly starting at around 100k miles. All were company trucks up to the 17, which I bought after selling company. I'm nervous about it. It has 55k miles on it now. No problems yet, but confidence is low. I put a AFM delete tongle in it at 5k miles. All trucks had oil changes at 3k mile intervals, continuing with the 17. I'm nervous, confidence is low. Any other preventive measures I should take??? I live in Texas, so no frame rot. CONFIDENCE IS LOW!! The 97 and 06 were my favorites by far.
Just wondering, recently replaced the a\c blower, resister pack, and pigtail on my 2004 Silverado with an after (junk) market, and it doesn't seem to be blowing as much as the oem did. Didn't buy OEM because I was leaving town temp was 108° dealer had to order. Is it normal for these Chinese junkets to run slower?
Thank you for sharing
My memory is shot but didn't Cadillac and maybe some other GMs try something called a 4 6 8 fuel management system that was a massive failure?
What is the fix for P219A on these trucks ? Besides injectors
OMG….This is exactly what I experienced on my '07 Suburban 5.3L. I changed out all of the plugs figuring it had never been done as long as I had owned it let alone who knows if the previous owner did it. Then, about two years later, the #1 cylinder was showing a misfire. I checked the plug and it looked just like what Eric O showed! I replaced the plug…….got another 10k miles out of it before the tranny went out. Wasn't worth the fix with 243k on it, so we junked it. But, just change the plug and maybe wire if needed and you'll get some extended life out of this AFM crap.
Never learned from the Cadillac 8-6-4…..
And to think…this is all to save the planet. Government Motors, here to help.
There’s an updated valve cover PCV… doing all this screwing around and badmouthing over a PCV issue
would a hotter plug last longer???
I have a 2004 Tahoe LT I bought new that came with everything. Put 274k on it when the oil pressure dropped out. Parked it and bought a new 2017, loved the truck but when I learned about all the new trucks and SUVs complicated everything, I sold it and put a new GM engine in it with whatever else it needed. My trusty local shop Calvert Automotive in Denton Tx did a great job and I am happy again. I don't have a car payment anymore which means I can afford to pamper my Tahoe with anything to keep it tip-top. I get nice comments about how nice it looks and runs. Also others out there agree the 2002-2006 were the best years.
The side electrode looks a good color so seems the fuel mix is running ok, but the oil burn is not good. Would adding a fuel additive help on these big engines? I do this with my diesel and it runs great.
HP Tuners. Set DOD from enable to disable in the ECM calibration, I'm surprised you don't have it and use it. I've seen AFM/DOD engines go from using a quart of oil every 800 miles to no oil consumption at all. You can also use it to disable Flex Fuel on the Virtual FF vehicles that calculate alcohol content in fuel incorrectly. And you should have changed the plugs on the other 3 AFM cylinders IMO. You can thank the government and their CAFE requirements for forcing things like AFM/DOD on the OEMs.
i would rather have an engine that didn't burn oil big defect
If you have an afm engine disable it with the modules they sell
I disabled my afm when I first got my 2013 suburban now approaching 300k
Today's solutions are problems.. and class action law suits
Eric,I looked & cried over what General Motors mistake putting this style of engine in production.Back in the early 1980’s General Motors produced a Cadillac V 8-6-4 similar to this same design They should had learned about this design of bad technology then❤❤❤😊😊😊
Its sad company's try to save money so they can go out of business .
Rember the Cadillac 4,6,8 Ht 4100?
Do the R and D before going to production. Gm lost 40,k customers in 1984 beacuse of that engine..
bro, they have a valve cover update. They move the positive ventilation hole that seems to solve the oil consumption problem.
Could you go up one heat range on that fouling spark plug?
Sounds to me like the real fix would be to never buy one of these in the first place
Scrap is way up according to Weistmans😊
AFM!…Save gas, enhance fuel economy!!! Satisfy, exceed the Corporate Average Fuel milage requirements. Yeah, AFM does all this but…
At the expense of engine longevity and reliabiltiy.
Shows you don't get something for nothing…
The oil burning issue is because the oil bypass valve splashes oil on the crankshaft throwing it on the piston rings.
I've never owned a GM product and I'm sure I never will…..
Deactivating AFM via software or plug in tool is not guaranteed to prevent an AFM lifter from getting stuck collapsed. Those weird lifters with coil springs on them are like a cancer inside the engine just waiting. It's not a question of if but when. The only way to be 100% sure is remove the AFM Hardware completely and replace them with old, proven solid lifters and matching non afm camshaft.
Is there a way to disable the AFM in software without something like HP tuners? That way at least you're not fouling plugs constantly. You still have the ticking time bomb of the lifters though.
Torqued to spec while putting in the wires…
I have a 2003 trailblazer LS 4.3 liter v-6 4wd and it definitely doesn't burn oil. It has 220578 miles on it. My friend who sold it to me only replaced the computer. I've had it four years. It's been rear-ended in July and did some damage a 2005 Ford mustang hit my wife at a high rate of speed on the freeway during the evening congestion. She was pushed sideways into the guardrail and destroyed 9 of the wooden poles and bent the guardrail inwards. So we ripped off the plastic bumper and put a new taillight assembly and called it good. We're still driving it use it as a daily driver. We love the fact that it took the hit and still runs didn't hurt anything else. People keep telling me that this model year is a POS. Well anything that you buy is a POS.
I've soaked the offending cylinders in x66 for 8hrs it definitely helped with oil consumption issues. This was after the updated valve cover
do you have a video of doing the heads and cam?
1 SPRARK PLUG TUNE UP!!😂😂😂
See I understand these Engines are not perfect by any means I've been mechanic for 25 years I'm a Chevy guy so I may be kind of biased But at least you can change the spark plugs without them breaking apart or stripping out oh and you can see them and get to them GM engines Are way easier to work on than any of the other manufucturers I have 0 8 GMC Sierra Burns oil in between oil changes A little bit but all modern engines do Super thin oil super small rings And tight Clarences All to cut down on reciprocating Power Loss for better gas mileage But I would take an LS over a 3 valve Triton Any day No point in talking about Mopar Hemi 4.7 is a turd but better EngineThen a hemi its Mercedes Base design Ish Set up. When the first triton 4.6 and 5.4 Engines came around I hated them. But the only real problem those had or the ones with not spark plug threads. These days I actually really like them Have a lot of Customers that use them in their fleets There's a million of them anything goes wrong with the motor you can get a low mileage about $1000 And the engines are pretty simple to work on just Under powered. But cost-effective maintainability Which is pretty true for the LS But the fact of the matter in the last 10/15 years is trucks Are ridiculously over priced And design to fail Carb Epa calf nonsense have their heads up their butts The most efficient vehicles on the road are the ones that That last 30 years regardless of their fuel efficiency The ones with grease fittings so that everything doesn't just wear out Because it takes less energy to drive a less efficient vehicle for 30 years than it does to recycle Parts of it 10 times over. If everyone in the country had the same car for 30 years And carb and EPA Would allow you to update the vehicles To improve emission instead of calling them modified so they can get them off the road Imagine how much better our economy would really be if If everyone didn't have to buy a new vehicle every 7 years And save all that money Maybe not good for the car manufacturers But good for the people And there wouldn't be wrecking yards full Of Cars that didn't last a 100000 miles And all burn oil and burn up expensive catalytic converters It's pretty easy to figure out What's good and what's bad 1987 Chevy pickup truck 15 miles to the gallon had 2 motors In 300000 miles Or $80000 pick up truck That gets 15 miles in the gallon Last maybe 10 /15 years Or 4 on the East Coast Toyota Makes the best truck 4.0 V6 Is the most reliable truck Specialized Toyota for 20 years Never really do engine work on 4.0 They last That's better for your wallet and the environment
My 2012 Sierra with AFM seized a lifter at around 112K. Prior to that it was burning oil pretty heavily. I put a motor in it from GM. Not a great experience. If it happens again I'm doing a non-AFM 6.2L swap. I love the truck. Just hate the AFM
My ‘14 Yukon xl with 5.3 afm is at 180k no oil consumption, failed lifters, or fouled sparks plugs. Even with full synthetic oil and 3k-5k intervals, these engines appreciate your oil/ gas additives like Seafoam or marvel mystery to keep it extra clean and running smooth. Just my experience so far.
Are you able to explain why the snap on spark plug socket cracks the plugs?
Man I feel so fortunate. 255,000 miles on the wife's 2012 Yukon with the 5.3. It came up with a misfire on cylinder 7 a few months back. I was certain it was a lifter collapsed. I swapped coil packs with no change. I finally pulled the # 7 plug and when I removed it, a chunk of the insulator around the electrode was gone. It was sparking all over the place. I changed all 8 plugs (2nd plug change on the vehicle) and we are back to smooth sailing in that department. We bought it with 88k miles and I have used Castrol GTX High Mileage oil and did my own oil changes since we have owned it. I stopped using the oil change reminder at about 160k and went to a 5000 mile interval, as it was showing some oil consumption and running the mileage out to around 8000 miles before the system told me to change the oil.
I’m less concerned about my 2008 5.3, than I am about the Silverado body that’s dissolving around it.
anyone ever swap a pre 5.3 afm into a afm suv?
I love your videos! I am a honda dealer technician and we stay putting in piston rings due to oil consumption issues.
So…how often did your customer change his oil? Be honest…I bet he let it go too long between oil changes. That will definitely eat up those lifters. I have an AFM 5.3 with 230,000 miles on it and never tried to turn it off or delete it. Oil changed every 5000 miles. Let’s have the WHOLE truth.
My '09 5.3 died at 150K. I don't drive a truck because I'm interested in 5%-7% fuel savings.
Surely a competent automotive engineer would realize without building it that this problem would occur, just by knowing how things work.
Get rid of the 3 letter agencies, oil consumption? Think of all the extra oil all of these trucks are using.
I dont care about fuel management if i cant drive it,gm get rid of this garbage
The most beautiful You Tube "wife" of all….Mrs O! (Vanessa)
Pre-AFM the 5.3 would burn about a quart of oil every 3000-5000 miles once it gets worn out. Mine burns a bit of oil, has a bit of piston slap when cold, but it'll probably run another 100k miles before I really need to consider a rebuild or getting a remanufactured engine.
The transmission, now that's a different story. 4L60E more like 4LSlippyE!
as a southern owner of a 2009 GM truck, I"m glad I don't live in the rust belt to worry about these things…my truck has 220K miles on it, doesn't burn a drop of oil…also a 6.0 2500 so no AFM. Not a superfan of the LS series of truck motors, but ran out of GMT400s in good shape to buy 😆 On my older SBC powered stuff we used an Eye-Tal-Ian tune up to fix oil soaked plugs from the always failing valve seals…😁
I know that the AFM has issues on many GM vehicles, but I just traded my 2014 5.3 Silverado, and in defense of the truck I drove it 187,000 miles never an issue, never lost any oil in my typical 5000 mile oil changes….yet you hear so many people with very little miles and lifter issues.
My uncle defends those little motors with the active fuel management he's like I can Cruise a little bit longer but I've seen them come into his shop if Bends push rods it breaks rocker arms he told me the way to keep them going is you got to smash them down and them keep the blowed out to hear him say it. everyone i see they're junk. There was a guy he's like well I deleted this motor for this guy you know they did it all cam everything put a new set of heads on it and he said the gas mileage really sucks like 8 to 12 miles to the gallon on a half ton truck. His name is James jarrett
I've owned 5 of these AFM engined GMs (including a C7 Vette) the last 10yrs. They absolutely hate certain oils (especially Penzoil) and do great with one oil of the dozen I've tried, Mobile1 20k Extended (not the 75000 mile high mile crap). Then do frequent oil changes and never pass below the 50% on oil minders. I now currently have a 2014 Chev at 145k AFM enabled with following that and doesn't burn a drop of oil.
Ok, so what manufacturers do you recommend as a pretty damn good tech for full size trucks
(my opinion anyways
👍 thanks for sharing
Turn the AFM off….my 07 Yukon did this. Even after I had the dealer "rebuild " the system
I remember the old 864 Cadillac engines GM put out the early 80s and they were absolutely horrible. They didn’t learn a freaking thing did they?
i have 2005 5.3 191000 miles still running strong will never by an engine with afm!
Excellant advise from SMA. In my time I used to work on a lot of the Chrysler Mitibushi 3.0 V6 engines. Low tension piston rings and prone to oil burning. Drove one for 300,000 miles. When I took it in for it's mantory emission test I did 2 things and it always passed visual test and sniffer. I never it idle and sat in the van making sure the cats were hot before it went in for it's test and that the tester didn't leave it idling outside before the test. I knew it burned oil so It had clean spark plugs. We needed an emission test every 2 years at that time. I used to purposely pull 1 plug wire and create a temporary misfire and drive for just a few miles before hand. Overheating the cat with raw fuel for a short period did shake up the cats enough to clean them up enough to pass the test. Don't recommend this but my old Chrysler 3.0L huffed the blues for many years and still passed emissions without ever replacing the cat converters.
The EPA and all of the emissions laws that get more strict every year are to blame. The manufacturers are just along for the ride and there’s not much they can do if they want to stay in the game.
You would think GM learned their lesson in the 80s with the Caddy 8-6-4 engine. That was a pile of crap also
I have a 6.0 in a 2013 Chevy Silverado 2500 Hd, and I installed a Pedal Monster by Banks Power, and it runs 100% All Cylinders All The Time… As I understand it. The Cost is $295. Multiple Levels of Power, Plus Good Technology put into it. I do use the Ams Oil Racing oil in the summer and a little lighter weight in the winter. It uses very little oil. I have opened up the valve cover drain holes, which did slow down oil consumption. It has 280,000 miles on it and I live in Texas.
You must be a Ford guy. I have 268,000 and don't have oil burning problems, AFM problems and it runs great. Runs powerful and smooth.
What about a 2017 Silverado do they have the same problem ?
I have a 09 4.8 L pre AFM. No Oil burning issues.
My friend decided on the 6.0 because it has no AFM… horrendous gas mileage, but great towing capacity and the peace of mind is just unbeatable.
Have you used range afm disabler and if I would use it now while the afm is still functioning turn off the afm v8 all the time. Great job from Rawson Ohio
knew a woman here in denver who had a 96 toyota corolla. NEVER saw another car use as much oil at that thing. it could suck the engine dry in less than 50 miles. toyota made camrys that are oil burners. so I bought a 2012 camry for me and a 2005 corolla for my lady friend. NO oil burning. be careful as there are lemons out there.
I did an AFM delete on my wife's Tahoe and unfortunately did not replace the rings…. I should have lol It is still burning oil. I am going to try a catch can first out of curiosity. I Did the mod to the valve covers also.
I’ve got an ‘01 with a 5.3. 319,000. Those pre afm 5.3’s are damn good motors.
We can blame it all on gooberment and their “mandates.”
well i’ve heard some shops use that bg flush. I know that ford boss me used it at a dealership to see what would happen and i guess you gotta watch the video and judge for yourself.Good video eric👍🏿😳😂
1st problem=
its not a iridium spark plug!
Fit ngk iridiums! every vehicle runs better and has a much better spark.
A spark plug change is pretty basic, but you covered it with some good knowledge. I would like to hear you go over the "updates" to resolve the oil usage on the Gen IV instead. I am familiar with some, but there is a signal to noise ratio problem on the ol' internet.
My buddy bought a brand new 2021 Trail Boss with the 5.3. He made is almost a full 1500 miles before he had to have the cam/lifter job done. He now drives a 2021 Tundra
Don't blame general motors for it blame Obama.. and his gas mileage mandates that all car manufacturers had to meet are they could not sell vehicles..
Still beats a FORD lol
My 2013 honda odyssey have the same problem.
I have a 2001 Silverado 1500 with 227,000 miles. Original engine and transmission. The transmission temps runs 30 degrees lower than the engine. the newer trucks are designed to run hotter for emissions. This 2001 is amazing. Simple to work on and very little problems. If they made a 2001 1500 and fix just the few issues. it would be a truck they should make today without all the Onstar and Wifi.
You know what I have done with every AFM Chevy
Get rid of it and buy a Toyota that doesn’t have that problem
AFM, always fudged motors
The worst part of this mess has to be that GM is still selling the same junk, problematic engines in their brand new vehicles, knowing about this issue for well over 10 years. Like really? Why would you ever give a single penny to this garbage company?
Don't forget that Honda did the same thing with their VCM and it has the same problems. Here's an idea: an engine is probably best at running on all its cylinders. There's a reason a misfiring engine runs like crap…
What's with GM and their lifters? I had a 1963 Chevy Impala, a 283 if I recall correctly, nothing but lifter problems. Have seen other vids mentioning these problems across different model years. YOU MEAN TO TELL ME AFTER 60 YEARS THEY CAN'T GET THIS RIGHT?!!!
1/2 gallon of Berrymans Chem Dip right on top of the oil, randomly start over a period of 3 days, rinse out with diesel fuel. I've done as many as 4 a week. Eats out all the carbon sticking the rings, and solves oil pressure problems. Had a 2011 I had to repeat 3 times it was so bad. It works for me every time.
just put in a 12 valve
What about non f oul adapto4s , used them on an old , 72 chev pick up
I ride motorcycles and everytime I get behind a truck that is running poorly to the point of burning my eyes its a Chevy. They seem to have problems maintaining tune.
I’m definitely sticking with the older models!! Bought my son a 97, with the 350 in it , been well taken care of. Is synthetic oil safe in older engines, or use regular oil???
Good thorough mechanic.
Government Motors. Hideous.
I have one with 167K and I deleted the AFM electronically. Never had an issue. 2008 LH6 BTW.
Haven't seen a G M go down the road without a bulb burned out because of power surge problems since the 70s. Profits before good product company.
Most GM owners are religious to that brand, never owned anything else. Even their dad and grandpa never drove owned nothing but GM, won't even consider something other than G M.Same people go vote for the R or D instead of a person, any body say sheeple.
2013 was the first year for the 5.3 L GEN V engine, I was part of a team who started production in 2012 for the piston's. It was a whole new design much more complicated than the previous generation which was a flat top with cast valve pockets. When I purchased my new Silverado near the end of 2012 I had the option of getting the 2013 with the GEN V. I told the salesman no way in hell, I'm working on that project and were still learning how to produce a good part. They've moved all that piston production now to Mexico and the quality standards are even more open. Just for your information!!!