Chevy 1500 5.3L V8 Lifter FAILURES (Active Fuel Management) **Heavy Mechanic Review**
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- เผยแพร่เมื่อ 10 ก.ย. 2023
- I review the Chevy/ GMC 1500 5.3L V8 engine lifter failures (Engine Tick/Collapsed lifte) as a heavy duty mechanic. I go over some history of the 5.3L V8 engine and dive into what is causing these lifter failures, both Active Fuel Management and Dynamic Fuel management. I explained what GM service technicians have said about the issues and give my input on how to potentially avoid this engine issue.
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Hope everyone is having a good week so far! I wanted to cover this topic because I think the lifter failures on the chevy 1500 5.3 L and the chevy 6.2L engine are really starting to become a much more main steam issue. they have been problems for some time now but it seems with the recent implementation of Dynamic Fuel Management - GM's updated cylinder deactivation technology that this problem has become very large.
so large that that in 2022 there was a class action lawsuit against GM and people are really starting to take note on these lifter issues. I think it is unfortunate because the 5.3L V8 for years was an incredible engine, reliable and could make tons of power. but it seems like those days are over.
Now in 2022 GM also released an updated lifter but talking to some GM technicians this is not the first time this has happened and they suspect this won't complete solve the lifter issues.
good news is statistically speaking if you own one of these engines you are much more likely to have a good running engine then one that fails due to lifters.
the best thing you can do for these engines is to get a tuner that deletes the AFM and DFM. this is dramatically lower the chances of lifter failures but may void your warranty in the process. the other recommendation I would have is to use high quality oil and change your oil on a good timely basis. these lifters run on engine oil and having clean engine oil is essential.
anyways guys I hoped you liked the video! - ยานยนต์และพาหนะ
![Lifter Failures - Class Action Lawsuit Silverado [GM] AFM / DFM: 2014 - 2021 GM V8s](/img/n.gif)
I’ve been prepared to buy a 5.3 Silverado for almost a year now but afraid to pull the trigger because of the lifter issues. Frankly it’s absurd to have to worry about this when you’re spending nearly 60k on a new truck. GM needs to do better.
At this point get either the 2.7 I4 or the 3.0 Duramax. Either v8 are basically a failure in waiting, not if but when...... I personally have had lifter failures on 3 6.2l engines.
If it were me buying a GM 1/2 ton it would be the 3.0 all the day long. Its probably the best engine option they make at the moment in a 1/2 ton.
go for the 7.3 godzilla from ford, I've had mine for 2 years, put 53k miles on it. runs like a champ
The 2.7 Turbo is a joke. Its a gas guzzler and lacks capability. The 3.0 Duramax is THE Engine to get.
Time to stop buying “general mess” problems. I had a fleet of Chevy heavy duty and light trucks, cars and race cars for decades with nothing but endless troubles. Finally had to give up and went to Ford and Ram vehicles. Love my Raptor and all the gas Fords trucks plus my 5.0 GT Mustang but can’t afford even at fleet prices Ford diesel trucks so bought Ram Cummins 3/4 and HD one tons.
We do logging, land clearing, general excavation, demolition and construction. We are meticulous and always are early on all maintenance and never had a single major failure except with GM products including total explosive engine failure, countless transmissions, numerous transfer cases, rear and front axles, couldn’t count all the drive lines (front and rear), electric problems (IE windshield wipers, power windows, Radios, heat and AC) paint falling off, rust, brakes are all the major issues. I am not saying we never have a issue with other brands it is just that they are all so minor it’s not worth mentioning.
@@AmericanConglomerate can you buy a 7.3 Godzilla in a half ton?
GM hates this video for sure. Thank you for informing people including me on my journey to finding what pickup I’m picking up next
Direct injection, cylinder deactivation, auto start stop. What could go wrong 😆
I mean ya the old days of just a good running engine don't seem to matter anymore lol
Exactly.. way too much b.s. on new vehicles
Make electric if already then you have a hunk of junk
@@petestucker1577 huh that made no sense
Government mandated MPG's @@jamesbranham2217
GM: WE have a bulletproof long lasting engine, lets ruin it with AFM / and or subpar lifters...
Thank govt mandates. They were forced to do something
@@georgeperkins4171 problem is, they were for it.
It's truly unfortunate for the people who are having the issues that GM is screwing them over.
Seems like it unfortunately
GM isn't screwing anyone over. The lifter wasn't "updated". In the last 1 or 2 years, the supplier of the springs inside the lifters was shipping product that was outside of the tolerance range specified by GM. That caused lifter issues at higher rates than in the past. It's hilarious hearing the narrative be revised as lifter issues actually began to be a real concern on 2021-23 trucks. The same rhetoric was used when the 2014--19 trucks were being buillt and sold, yet there are a ton of those trucks with 200k+ miles without an AFM lifter failure. The primary difference was how often the oil was changed. Tundras have engines with crank bearing failures left and right, Ford is putting rubber belts on all their oil pumps, and Ram has had issues with 5.7's grinding lobes off cams for over a decade and none that gets used in a FUD video.
@@hochhaulwhat in God's name are you taking about? These lifters are failing on cars with cars with 50k miles and GMC isn't helping with repairs. 9k to fix.
@@mnieliw BS. A bad lifter at 50k miles they would be covered under warranty. There is definitely a LOT more to that story if there was something that caused the warranty to be denied. GM sells over a million vehicles a year with these AFM/DFM engines. Internet clowns run their mouth about how those you won't go 100k miles without a bunch of lifters failing and that's BS. I know guys with 2014+ GM trucks that have never disabled AFM and a bunch have anywhere from 180k, to 230k miles on them without a single lifter problem. I know two guys that have had a bad lifter. One had a 2012 Silverado and they would wait until the oil life monitor said 0% to think about taking it in to change the oil. Oil sludge causes 90% of the lifter issues. The other was a guy with a 2022 GMC Sierra AT4 with the 6.2 that had a bad lifter at 20k miles and GM replaced ALL the lifters under warranty. Like I said, in just the last 2 oer 3 model years, yeah they had a spring supplier sending out of spec springs that go into the lifter assembly and that was causing a very significant number of lifter failures. But GM isn't denying warranties for bad lifters.
6.2l 2023 Silverado with 9,200 miles on mine and in the shop for lifters, blown rod and metal in engine oil without an engine indicator light on… told it needs an engine now which is being ordered at the moment….brand new $77k truck should have been a reliable truck in my opinion!
Why didnt GM issue a recall on the engines ? We need to start a class action lawsuit
There is a lawsuit.
I need more info! Im currently going thru the same issue on the engine!! 2018 silverado.
@@omarsantoyo184The lawsuit involves the older trucks, like 07-12 or 13 with AFM. I don’t remember exactly. It doesn’t include the newer trucks with DFM.
@@omarsantoyo184 my 2019 just broke at 110,000km. I'm into starting a class action. Fuck gm
8speed trans has class action on it right now
Just a reminder, the root cause of all this is unelected bureaucrats in DC. They keep forcing the manufacturers to reach impossible fuel efficiency.
better known as DEMOCRATS
That's BS. Toyota doesn't seem to be having an issue with QC, at least on this scale. It's lazy US engineering/manufacturing, and good old corporate greed.
I’m not sure Toyota has any cars/trucks with cylinder deactivation. But they are having problems with the new turbo tundras
@@westhavenor9513 I currently drive a 2023 Toyota Tacoma love Toyota Lexus. I believe for the first time GM trucks are more reliable than the Tundra.
One of the main reasons I went with the 6.6L L8T HD truck. No DFM or start stop at lights. Just normal V8 rumbling all the time.
Ya its funny how they left those things out on the newer 6.6L gas.
Didn’t really want a 3/4 ton truck but that’s why I bought 6.6 L8T no DFM, so far it’s been a great engine, loves gas but I think it’s going to be a reliable engine.
@@curtoliver9014 kinda in the same camp though do need 2500 to pull my boat (but the 1500 Denali can do it). The L96 (6.0 in recent but not latest 2500) has no AFM. I also like the 6L90 a lot better than the 6L80 or some of the shit 10 speeds that came out.
@@davedemchak3309Okay but the 6L80 is a great transmission 197,000 on mine with fluid changes every 30,000 miles
@@realpatriot5896 I agree 6l80 is pretty decent the l90 is more beefy though. Definitely not in the same category as some of the 10 speeds they made that would have issues under 60k miles.
I bought a new 2021 Silverado. I never had a lifter problem the whole time I had it. However, the 8 speed transmission went south. This happened within two days of ownership. I now own a 2021 Tundra.
Lol "now I have a tundra" not the first time I've heard that. Toyota makes good trucks. Expensive but good quality
@@GaGe56Me8
😂
I've owned Pontiacs and Chevys since I started driving in 1976. Until last year the only new vehicle I ever bought was my 1991 Silverado. Back then they truly were "Like A Rock" In 2010 I bought a 2007 Impala SS with 35K. In late 2022 with 147K, I believe I had the lifter failure. Not sure if it's worth fixing or not, otherwise, the car is still very nice. After 32 Years I decided to my my second new vehicle, a 2023 Mazda CX-5. By the way, I still drive my '91 Silverdo when I neeed to haul something.
Avoid the the new turbo V6 and turbo 4 cyl trucks from toyota
"Any man can make a mistake; only a fool keeps making them"
GM must be fools..
I think they have alot of pressure from the EPA as well which does not help but you'd like to see GM try and fix these lifter issues.
no!! the fools buy em
GM are not fools, Worse they're greedy Deviants who On purpose designed these engines SO FOOLS SUCKERS would have to pay gm (and/or part manufacturers) for new parts replacement parts and New Engines and NEW CARS...."Just follow the money".. 💰 💸 💲 🪙 💶 💰
I've got the 6.2 chevy silverado high country and I put the AFM module in it when it had 7k miles. Hope I caught it in time for it to last. Great video
Simple solution I did with my ‘15 Silverado was delete the AFM with a tune and kept my 8 cylinder an 8 cylinder. The fuel saving was negligible and I never had any issues.
How long ago since you tuned it? Also, what tuner did you get? Im gonna have to do this so it helps extend the engine life
The lifters will still collapse 😂
I did the same with a range tuner, unfortunately it’s still only a matter of time. Remaining in V8 mode only prolongs the issue by only a few thousand miles in some cases
I talk to a couple dealerships and they tell me. No, they cannot deactivate the AFM You have to buy an aftermarket device to plug in to your OBD PORT. How did you Deactivate.
Yours.
@@rolandthethompsongunner64the lifter collapse from the constant open/close actuation. Keeping them from collapsing will ensure they survive as long as normal lifters.
Thank you. Keep up the good reviews.
Thanks for sharing your experience. I’ve owned two of these trucks with this engine. One a 2008, now driving a 2017. So far no issues. I get my oil changes at the dealer using Delos oil, they change it every 6K kilometres. Sooner if I’m heading away on a trip. The trucks have been used to haul trailers long distances as well as daily groceries etc. I keep all maintenance up ahead of the recommended schedule, at 70K I do a complete drive train service, rear diff, transmission fluid, transfer case, front diff, fluids changed, and brake fluid flushed.
I live in the salt belt so rustproof spray every fall.
A friend who is a mechanic tells me a lot of their work is on vehicles maintained by the 15 minute oil change places.
oil is the main thing, Pennzoil platinum is very good, Quick lubes will cost you thousands on trucks with these new valve trains
I have a 2014 with the 5.3 in it! I have a 100k miles on it, with no problems! I change the oil every 4k miles.
I bought a gently used 2017 Chevy Silverado with 46,000 miles and instantly installed the range technologies AFM delete and also put in lower temp transmission thermostat! Hopefully no issues for along time
Doubt it. Expect lifter failure at about 100 k miles
@@kahxb3kahxb375 thanks for thinking positive! Lol. Complete delete kit by then with Texas Speed!
At 110k miles my 2019 silverado tb has lifter failure. Great job GM I will never buy another one of your products. Insane to me that an engine with regular oil change and maintenance fails that early.
@@N0ffz that's why I deleted my AFM! And hopefully doing 3500 mile oil changes helps as well. That's a lot of miles in 4 years!
I have a 2017 Denali with the 5.3L with the 8 speed. Bought it in 2019 with 48,000km on it, bought a diablosport ITUNE 3 for it right away and disabled the AFM. As soon as I installed it, I got better fuel mileage and nearing 90,000km now (don’t drive it in the winter cause it would be rusted to heck by now since I’m in Ontario, Canada) no knocks or oil consumption issues yet lol. Plus I bought the Superior STL010 thermal bypass kit so the transmission runs cooler. When it’s +30 or higher outside the transmission runs at 60C instead of 95C, even when towing. So no burning out the torque converter (hopefully lol). Will definitely consider the 3.0 duramax truck, once my 2011 Impala LTZ with 320,000km finally dies lol. Good video as always dude!
If you don’t replace the lifters doesn’t matter 😂
All irrelevant. You still have 2 stage lifters and history shows they will fail at around 150k or sooner. I have a 2014 that made it to 161k. Highest yet. They're junk. Chevy knows its junk and so do buyers. Enjoy it while it works.
I honestly don’t doubt that, but you’ll hear more about the issues people have had with lifters than people who don’t. 2014 was the first year they switched to GDI motors (means nothing about the lifters) but it is the first year to that style motor. I know plenty of people who own 2016-2018 5.3 & 6.2 motors that have gone above 280,000km, my step brothers 2018 6.2 Denali has over 174,000km with no issues with lifters. AFM deleted or not. Like I said I don’t doubt a lot of lifters are junk for GM products but there’s probably a lot of trucks out there that have had no issues. Properly maintain/tune your trucks and hope for the best lol.
Where can I get this tune?
I have a diablosport Itune 3, just a plug and play tuner. It plugs into your OBD port and you can modify some stuff linked to your ECU. One being shutting off your AFM system so no 4 cylinder deactivation.
If I had a 5.3 or 6.2, I'd get a AFM/DFM delete kit from a place like Texas speed etc. It comes with physical new cam and all new solid normal lifters and then you upload a tune file to the truck to delete it. This is the reason I bought a 3.0 LM2
I just ordered the Texas Speed for my 5.7 Hemi. Does the kit delete the MDS or do I need to tune it as well? I thought the kit alone deleted it
It's not a bad idea if you are planning on keeping the truck long term. but I feel like most people don't want the hassle. which is why lots of folks are looking at the 3L and I can't blame them.
@@timmcpeck7527 not sure on the hemi. I know on the GM trucks you have to tune it on the ECU or it'll cause a check engine light etc. I'd email them to see.
Costs 5k to do. 😂
@@rolandthethompsongunner64Closer to 7k.
Great video! I am liking the 3.0 Duramax option alot right now. what are your thoughts between the LZ0 and LM2? Id like to save a little money and buy used so the LZ0 used market isnt really there as it just came out. Is it really worth buying new for that LZ0 or is the LM2 still worth buying since the updated motor came out?
Thanks
I bought a 2021 Chevy Suburban with the 5.3 L V8. After about 4000 miles, my wife called me and said something seemed to be wrong with her car. Sure enough, it was the lifters. It took nearly 3 weeks to get the problem fixed, and they only replaced the lifters that went bad. In other words, this fix was more of a Band-Aid, since there were still seven, other cylinders that could go bad. I ended up selling the vehicle and buying an expedition
Heard lots of people selling their vehicles after running into this issues for that reason. just don't know when the next lifter is going to let go.
I pity the dummy that bought that pos 😂
We have a '21 Silverado with the L84 5.3 that got its first flashing misfire check engine light at 585 miles. After the fourth check engine light, the dealer finally replaced the lifters on cylinders #6 and #8 only (this was prior to the 2022 updated TSB guidance; we should have had all 16 lifters replaced based on the TSB). On top of other issues the truck had (bed misalignment, inoperable rear HVAC vents, etc.), it was at the dealer for a combined 51 days over the first few months of ownership. The truck now has over 23,000 miles on it, but I always drive it in L7 (8-speed transmission) to disable DFM and I change the oil prior to hitting 50% on the oil life meter, which works out to roughly every 3,000 miles. It's a shame because the truck drives and tows/hauls pretty well overall, though the 8-speed can be rough when cold and the valvetrain is horrible. We also had to have the serpentine belt and idler pulley replaced around 6,000 miles because it's a one-time use stretch fit belt that they reused after the engine teardown. If we get another gas powered GM half ton truck, I honestly would get the 2.7 Turbomax as the testimonials from actual long term owners seem overwhelmingly positive in comparison for the 5.3/6.2 and the performance is comparable to the 5.3.
yes the turbo engine would be a better choice, the one time use serpentine belt is just a total fabrication do not know where you got that from, only other way to go is find an older truck in great shape, all the new trucks are not very good, and will not get better over time
L7 is the way to go
Doing the L7 way here too
I have a 2.7 and it’s been a pretty good truck, it’s a 2019 so had a few issues like needing a head gasket at 50k, other then that no engine problems and it pulls heavy loads really well…
The down side is the junk 8 speed trans, may be getting replaced next week if they find problems…
Has 77k on it
In a future video, could you provide a list of the top 3 engines you would buy in a modern 1500 truck? Going over durability, reliability, power, etc.
We all already know what those are. Its too bad one of them is no longer in production and the other is done after 2024.
1) Toyota 5.7
2) Nissan 5.6
3) Any of the 3 ford offerings, they all seem about the same from a durability standpoint and all make good power.
If you are talking only new trucks. Not sure reliability is a metric one can use any more, all of them have issues and the days of buying a truck and keeping it for 15 years is pretty much over.
None😂
yes I would like to see that too, looks like ford has the best engines, the crappy 5.4 three valve is gone and the turbo 6v is holding up as is the new 5.0, not crazy about the aluminum body that corrodes faster than steel, so find an old truck and keep it forever, that is my plan
@@jimsix9929hoe does an aluminum body corrode? Unless it's not 100% aluminum??
My 6.2L DFM equipped Silverado dropped a lifter on cyl #2 at 80k miles. PO300 stored, PO302 present. Oil came out clean so I hope the engine longevity isn't shot. I'm getting a DFM delete kit.
I enjoyed you video 2021 Silverado 1500 V6 I do not tow 7000 lb it's my daily driver very comfortable.
Nice video, what system or procedure do you recommend for AFM//DFM delete?
I had a 1999 suburban with 5.3 for many years that my kids grew up with until graduating high school. Ran like a tank beside an alternator and fuel pump change. I’m now on my second 5.3 in my 13 Silverado. I’ve never had any major lifter issues yet.
L6 keeps the AFM disabled in a 5.3L engine. It's not optimal for highway speeds, but for around the city driving it helps a lot. L7-L8 get AFM enabled though.
Acknowledging they ALL have their issues, after years with numerous GM's, I switched to Ford. When I purchased my previous truck, a 5.3, I was made aware of the AC condenser issues, transmission issues, and the lifter issues. When I got to 100k miles, I had replaced the AC condenser, going on my third transmission, and was increasingly nervous about running into the lifter issue. Finally had enough and traded it in for a new Ecboost, haven't looked back since.
My god third transmission?😂
@@rolandthethompsongunner64 “like a rock”
Chevy to a Ford? Looks like you jumped from the frying pan into the fire
Can you just disable with a module or is that not sufficient? Thx!
BTW really appreciate the info in all your vids 👍🏻👊🏻
Not sure if you've mentioned this in one of your videos but what are your thoughts on the full delete kit rather than the tuner delete? Both the 5.3 & 6.2 have the same issues, and I would like to think a different lifter design like some of these full delete kits offer would be a more concrete solution. Thoughts?
I’d like to see you get your hands on a Ford Maverick.
I think towing just the trailer empty would be a good test( I’m assuming that trailer has a rough weight of around 4k lbs)
I have a 2013 GMC Sierra 4wd. After about 6 months I bought a Diablo programmer so I could turn off the AFM. No more oil consumption, and no problems at all.
I shut off AFM on my 2016 with a $69 device from Amazon on mine. I also run MotorKote in all my engines, Lawnmower, tractor, truck etc. It really does make a difference
You still have the weak afm lifters and cam 😂.
Thanks for the video. As an owner of a 2019 Chevy 5.3 DFM tuck, I am obviously concerned over the potential of this type of failure, to the point that I am considering trading for a new one with the 3.0 diesel. I really like my truck and have always maintained it meticulously including changing oil/filter at 5000 miles with the correct grade full synthetic oil. If you simply listen to internet chatter, every single Chevy 5.3 will have this problem. At least I feel somewhat better that the actual failure rate is 2-3%. Not great but at least reassuring that I could own this truck for years and many miles with no issue. It's a gamble for sure. And maybe for peace of mind I may just order a new diesel version in a year or so. Or possibly the 2500 truck with the 6.6L gas that does not have cylinder deactivation.
I bought a used 2019 Silverado that had 29k miles on it. I installed a bypass to the DLC & at 65k cylinder 1 went out on my way into work. Luckily, it was covered under warranty, which the dealer told me was 100k for engine repair. I love the truck but it's been 1 thing after the other & that was the last repair it needed. The dealer had my truck for 1 month. I'm afraid it'll happen again outside of warranty & that's not a repair bill that I want to pay for.
@@555_Lady_JB I wish I had installed one on my 2020 1500 5.3 98XXX miles Lifter failure cost to repair $7000.00 will see how well the extended warranty pays!
as an old mechanic, I would use valvoline VR1 racing oil, as long as the truck is not burning oil it will not harm the catalytic converter but you will have no camshaft or lifter problems, other oils do not have much zinc in the additives, that is what protects your camshaft, it coats it with a high pressure coating, but will do the same to your converter if it is burning oil, making it non effective, I would still use it a converter is cheaper than a cam replacement
Nice review.
Updated lifter and replaceing only failed lifters? That says something about GMs focus. Cost not customer. I guess they all do it to some degree.
GM is investing $850 million in new V8 engines... That says something.
They make a kit to swap out the lifters for regular hydraulic LT lifters and your supplied with a new valley cover also. That's a 3 to 4 grand labor cost option but your left with a bullet proof Chevy small block. And no warranty. Also the project is only as good as the mechanic who does it. 👊😎👍
I have a 2015 Silverado with the 4.3 V6...have you found that the AFM on these are just as problematic for lifter failure as with the the 5.3 V8's? Thanks for these videos!
What about the 4.3 liter LV3 engines, which are virtually the same engine, with two cyclinders cut off? I haven't heard of their lifters failing, have you?
Alex,
Like to see you dig into the midsize trucks.
Happening to my 2017 right now. ugh! Thanks for the video.
Didn’t Ford add cylinder deactivation in 21 to the 5.0? Do you know how that system works by comparison?
I went with the V6 on my 2023 Ram 1500. It has that annoying start/stop stuff but as far as I know it doesn't have cylinder deactivation. And so far I am impressed with how well it pulls the truck. There are times I wish it had a little more torque, but I saved some money over the v8 and I believe the engine will last a long time with correct maintenance. I just have gotten to a point in my life I don't like risk and all the v8's are having problems to one extent to another.
Penestar v6? If so, do some googling on that engine. It has its own host of issues
Have had good luck with the Mopar
V6, must change oil/filter quality oil.
Many over 200k miles and running strong 💪
The 3.6 v6 is a solid engine. Pretty reliable unit as well. I actually just towed with that engine and it did pretty well.
@@TheGettyAdventures I’ve read reports of numerous Jeep owners having rocker arm failures with the 3.6.
Ooof. Not here to make you sad, but the 3.6 Chrysler Pentastar V6 is one of the few with an even worse lifter problem reputation than these GM’s… they do have cylinder deactivation, and VVT.
With the 3.6, you have to be rigorous about those oil changes!!!
And don’t start googling or YouTubing Pentastar lifter failures!! You won’t sleep after that… good luck!
Lifter failure just destroyed my 5.3 Sierra's engine. Super stoked to pay 6 grand that I don't have to fix it.
2019 Silverado 5.3L - 68,000 mi - collapsed lifter cylinder 1. Replaced all lifters. Less than 500 miles later, collapsed lifter cylinder 1 “again”! Was using Range Technologies Disabler, always used full synthetic oil, change interval 5,000 mi or less…… Considering Ford 5.0 or Ram 5.7, but they also utilize a sort of fuel management which brings me back to GM and the 3.0 Duramax…… all I need is money.
I have the 2017 Ram 1500 with the 5.7 and it’s been great. Only at 70k miles though. You will have manifold bolts break- but warranty covered them just fine.
Diesels have their own set of issues with DEF systems and regen
Why would you give GM more of your money after being burned? That's insane. I sold my 2015 Silverado and bought an o6 Toyota.
@@user-zf9to1jt3t You can't fix stupid.
Consider Nissan Titan. Pure V8. No start stop. No fuel management of any sort. No regrets on my part and the gas mileage is NOT as bad as they say. I get maybe 1-2 mpg less, if that.
I had a 2012 Avalanche with AFM and it bent a lifting rod going down the freeway. The dealership Fixed it under warranty and the mechanic informed me that my year model could be programmed to run straight eight and by deleting the AFM. Never had another problem with that engine and hardly noticed any difference in mpg. A thinking engine at 70 mph turning off two cylinders and somehow keeping the timing in sync is a scary scenario.
i’d like to see you do the toyota iforce. nice vid
Could you review a merz sprinter diesel engine and maybe compare it to the discontinued ram 3L diesel. Please
You should do a video on Ford's cylinder deactivation system on the 5.0
That's not a bad idea. so far they seem to be decently reliable.
Hey are you familiar with the pulsar lt and would you recommend it for a 2019 silverado 5.3
From someone about to do the DOD delete on my 2017 ltz, i love my truck but would probably not buy another.
Are there any driving modes which keep the DFM system from deactivating any of the cylinders? I've heard in the Rams you can manually choose the highest gear "8" for driving and such results in the engine keeping all cylinders active.
Yes If you drive in manual speed five on the 5.3 generation's from 2015 to 2020 its stays in v8 mode the whole time which can be observed in the monitor while you driving This is how I drive my 2016 tahoe It might be the same for newer generations also It's worth a shot.
What is your opinion on the Range OBD plugins for V8 mode? I have one on both my 2011 Sierra and 2018 Silverado, and they assuredly keep them in V8 mode, and they both run great. Lost 1mpg on both but who cares, I don't drive trucks for gas mileage.
My dads 2015 went at 100k due to failure. Brother in laws 2012 died too. Both required new engines. Coworker bought a new one and didn’t make it to first oil change before failing. Told them they could have the truck back.
Ya if my engines failed before the first oil change I'd be giving the truck back also
Now it make sense why my pop suddenly got a 2019 Toyota Tundra years back. His 2010 and 2015 Silverado both have this issues after 180k and always service on time. Finger cross the Tundra last him another 3 years until he retired.
His 2004 Silverado still a champ with 370k on the clock and it's now mine.
Your statement that 2-3% failure rate is encouraging-its easy to get the impression its 90% failures.
We have a 2019 5.3 and been worried about it.
My real fear with AFM/DFM Delete is our yearly TX emissions inspections (will it pass).
My friend's 2017 silverado 5.3 had the failure. Almost 5k to fix. He's worried about the other side. He is doing Oil every 5000km now instead. I told him to start saving.
Or just get the 3.0 Duramax.
That's a good question. I think you'll just won't get the same fuel economy without it.
@@othatdude30about a 1mpg difference. Thank the government! Lol
exactly it's easy to get sucked into thinking every single engine will fail, the reality is most people will go the whole life of the engine without experiencing any lifter issues.
Hasn't someone came out with something to deactivate the fuel management ?
My Honda Accord with the 3.5 and it started fouling plugs and using oil.
I installed a small electrical component that tricks the temp gauge and won't let it engage the Eco mode.
Car runs great again.
2007 Chevy Avalanche.
Lifters started to fail at
Year 12, keep driving it.
It was just a noise. Than
I got low compression.
Had it rebuilt now I am
Close to year 17. Sounds
Great rebuild worked.
Thinking about buying
Something to shut the
Active fuel management
Off.
Thank you for the info, really great.
I'm going thru this problem with my 2020 Sierra and dealer and GM don't wanna do anything with the warranty. At this time i have the replace a new engine on a 3 years old truck which will run around 20k. Is a complete shitshow. My truck is been at the dealer for the last month and i don't wanna tach it at this point.
The dealer has blamed this on a bad oil change, but what they didn't expect was that i have done the oil change at another GM dealer in another town.
What s the way to go to resolve this with GM?
My lifter just failed on my 2017 tahoe with 55k miles on it. Almost 10k to fix and may need a new engine. Waiting to hear back from GM to see what they'll help with. Fn sucks.
And I thought that HEMI tick was bad. What options do we whave for v8? Any major issues with Ford's 5.0?
I’d be curious to see what you think of the power of the 5.3 with a 10 spd
I towed with it a couple weeks ago and it has some good power but it wasnt anything crazy.
I just had my 2021 Tahoe faulty lifter replaced on one side. If it happens for the first time in 2-3% of vehicles, what is the percent chance it will happen to me on the other side?
I have a 2013 Suburban and I love it, right now it drives extremely well but has low mileage 78,000 I’m pretty happy with it and keep up with all the maintenance on it, just wondering if this year has this issue after the mileage hit over the 150,000 mile mark, my 2001 suburban has over 240,000 miles on it, it’s not active management but I love all the suburban’s , which years are problematic or are all the GM active fuel management engines a problem?🤨
Dealing with this right now with my 2017 Silverado 5.3. Warranty expired. Going to do a DOD/AFM delete and just hoping there isn't a bunch of metal throughout the engine.
Due to "chip shortages", GM made non-DFM engines on some 2021 Silverados. I assume these had different cams/lifters and were not the same as simply turning off the software as "tuners" do.
I had a 2009 Silverado 5.3 and now a new body 2019 5.3. Both trucks have never had a lifter issue. I'm a firm believer that is you change your engine oil regularly, you "shouldn't" have a lifter issue. My 2019 has a range DFM Disabler and a couple other aftermarket goodies and the truck runs amazing. I change the oil every 3-4 thousand miles and it's got 53 thousand miles on the engine, so far so good.
How do you feel about oil catch cans
Has anything been “fixed” on new trucks being built say ‘23 or ‘24 model year? I don’t feel confident in either GM V8 at all. I’ve been very currious about the diesel motor for economy based on reviews so I might go that route to avoid being in that small percentage that could fail.
I have heard that the 2022+ seem to be better off but only time will tell if that is truly the case.
Odds were not in my favor. My 2018's 5.3 lifters went out at 80 k miles this week. Maintance has been done meticulously. Hoping I caught it early enough. It was backfiring and throwing a blinking check engine light.
Great video Alex!
It might be worth mentioning that almost every modern engine adapts this technology, even though many don’t advertise it. Whether its VVT/VVL/AFM/DOD.. they all cause similar issues and adapt a similar technology. And most modern engines have a combination of all. Even the 4 cylinders have it.. they can run on just 1.
The Chrysler engines have probably the worst reputation in the industry, with the notorious “Hemi tick”. Also the 3.6 Chrysler Pentastar has a failure rate even higher than the GM V8’s if I’m not mistaken. Keeps mechanics busy… many wipe out cams below 50k…
Sad times, but let me tell you, this technology won’t go anywhere. I just wish they could do it in a better way.
Ford also just implemented cylinder deactivation in their 5.0… so let’s see how that goes.
All you can do is be rigorous with your oil changes, and as soon as the warranty is over, get that stuff taken away.
Although the whole point of the modern vehicle is that they shouldn’t be owned outside the warranty period… sad but true.
Agreed, it seems like this is just apart of the industry these days. I suspect ford may run into a similar issue but so far they seem to be holding up. and yes these engines are now all made to sneak out of the warranty period before they start to show any major issues.
one thing I see about all the new engines having lifter and cam failures is 30 years ago they took zinc out of the oil, that was there to protect the flat tappet cams of the day but would coat the catalytic converter ( that we no longer need), in the 1980s and 1990s the cam profiles were very tame, now people want power, a solution would be to ditch the useless converter and put zinc back in the oil, but if you have a 5.7 hemi or 3.6 as long as it is not burning oil, you can use valvoline VR1 racing oil, your camshaft will be happy, it has the zinc to protect the cam
I bought a 2015 GMC Sierra SLE 5.3 used and 9 months later, cylinder 7 exhaust lifter collapsed. I change the oil every three thousand miles regardless. Previous two owners, I'm not sure if they kept up with oil changes as I found sludge on the rods and VLOM. I am currently replacing all eight AFM lifters and will be having the computer reprogrammed to delete the AFM. Later after I recoup my losses on this engine, I will do a full delete and go with a stage 1 cam with regular lifters. Truck has little over 96,000 miles.
The 5.0 Coyote uses AFM as of MY 2021. And switched to a belt driven oil pump. Can you do a review of one?
Junk
th-cam.com/video/TuY4gCyZ81g/w-d-xo.htmlsi=g0pka5bj2yIqAlIE
I disabled the AFM so all 8 cylinders stay active. 81000 miles on my 2018 Silverado W/T reg. cab. Still going strong. Oil changed every 5000 miles and Chevy dealership by a mechanic I'm friends with there.
Why don't more people do this ?
Curious how it's possible ?
How do you deactivate it?
@@ericrivest4423 you can get a afm delete programmer man, just plug it in and it tricks the computer into staying into v8
@@ericrivest4423 Range technologies has a device you can plug in the obd port that keeps the engine in v-8 mode. I installed one on my 2014 Sierra.
Recommend changing your oil 3K to 3.5K
Wife’s 2015 Yukon 5.3 had one bank of lifters fail at 105k miles. I replaced both banks and cams. $4,000. I also had been running the AFM delete OBD device. GM said I probably delayed failure with AFM delete and to keep using it after repairs.
So far I’m happy with the rebuild of my 6.2L and the warranty that came with it.
My truck is getting work on after a lifter went bad. Extended warranty is going to replace all 16 lifters and camshaft. Should I keep my truck or trade it?
got the 22 GMC Sierra not refresh model elevation with no fuel managements chip shortage and no stop start
2017 Silverado 60k miles. Been using the range device for about 55k of the mileage. I dont know if it'll save me from a lifter failure. Probably need a delete kit if i keep it long term any advice is appreciated
Living through it right now. 109k on my Escalade, lifter failed and took out the cam. No check engine light, it just started idling with a miss that would come and go. 0w20 full synthetic, changed early every time. Eventually started chirping after the roller failed. GM is contributing some money towards repair even though I'm out of warranty, but I'm still looking at 13k to replace the motor which happens to be on backorder. Still cheaper than trading it in, but boy does it suck.
I’m looking at a 22 that doesn’t have dynamic fuel management due to it being made during the chip shortage, any chance it might be better than one with it
I have a 2022 and have 22,000 miles and no problems
I really like the GMC Sierra 1500. This issue is what makes me hesitant to buy. I like that a diesel is available, but that would be my first time owning one. Not sure if the savings are worth it, given fuel costs and DEF.
Had a 2019 with a collapsed lifter. Still under warranty. Took it to the dealer, they replaced only 1 bank and didnt touch the camshaft or anything else. I traded it in right away after the repair. 3k miles later, according to the carfax, the truck was back in the shop and had the lifters and campshaft replaced. They cheap out on the repairs even if the own techs recommend to repair it correctly. GM just wont pay for it, as you said, they just want it out the door to get it out of warranty. I also had a 2011 with a 5.3, night and day different. 157k miles and no worries. Should have never "traded up".
BIG QUESTION :
If a mechanical delete is done, (new cam, aftermarket lifters, etc)
Will the vehicle pass the emissions test ?
I know from experience that if one of the plug-in type disablers is in use, it won't pass while the plug in is installed. It will send a "not ready" code and fail inspection.
How often do you see this in the 2016 through 2018 Camaros and Corvettes?
Are the Ram engines with the cylinder drop having similar failures?
My 2022 Sierra 5.3 came without the chip for cylinder deactivation. So it’ll never drop down…I also do my own oil changes every 5000 miles with Mobil 1. 40,000miles in so far so good
Nice you lucked out . I was given advice from an old mechanic to change the oil every 3 to 3.5 K miles. I normally doing at 3K
P0300 and p0305 and ticking think I’ll make it to Houston from chicago? It’s expensive to get it towed to Houston just trying to get it to Houston wondering if it’ll make it
I’ve got a small ticking noise, check engine came on and soon as it came on my DFM chip came in.. what’s your recommendation that I should do? My guy said it’s most likely the lifter.
looks like you need a cam and lifters, call summit racing, they will hook you up with parts just do not reinstall that cylinder deactivation crap, just a cam and lifters, the job is not that bad, about 12 to 16 hours
2022 GMC Sierra 1500 At4 6.2 engine not a single issue ever until today. Engine seized up! 😭😭 75k miles
I had the afm/dfm delete on my 2020 silverado 5.3 and at 30k miles it failed. It dont matter what u do if its bad its bad. Got fixed by dealer, now at 51k and its doing good but I will trade it for a new one before warranty ends at 60k
Unbelievable. No wonder consumers have little to no faith in the Big 3's quality. It's bad enough GM acknowledges the issue, but then to not replace all the lifters or other possible damage is absurd. They are putting themselves out of business with shenanigan's like this!
Yaa I mean Its a tough look hearing that frkm GM techs
I guess it's no different than Ford's cam phaser issues, which started with the 4.6/5.4 3v and continued into the 3.5 Ecoboost.
GM is too big to fail. They know it. Now they're getting money from China SAIC.
10:05 "only 2-3% failure" where did this stat come from? Just curious? WE get tons of these in our shop.
I'd like to know too. Dude is just throwing numbers around. Do you honestly think GM would tell how many they fixed.
I’ve been using a Range Technology in my OBD port for over a year and so far I haven’t had any problems. It keeps the engine in 8 cylinder mode all the time on my 5.3. Does use more fuel. I’ve lost about 2 miles to the gallon but it beats replacing the lifters and camshaft or engine.
What year is your Silverado? And how many miles have you drove on it with the range? Still no issues?
I do too, on both my trucks. Have not had any problems but there seems to be many skeptics out there, saying it won't prevent the lifter issues. I'm keeping them anyway, my trucks run better with them (transm). 2011 Sierra and 2018 Silverado.
@@EBMJ It’s a 2011 crew cab that I bought new and I’ve pot about 3000 miles on it since the Range Technology was put in my Truck. It’s runs so much better! I lost about a mile or two to the gallon but I don’t care. If I wanted a 4 cylinder I would of bought one. 😅
When you say 2-3% failure rate, at what mileage is that? Is that during the warranty period?
5:10 I'm currently going through this right now, and it's costing me way more than what I can spare. I've replaced the lifter and it's still misfiring in the same cylinder (5)
When I realized my 2010 siverado 5.3l had AFM, then I saw the recommended oil change intervals of 7500 miles. I said no way I'm going that long on oil change intervals with AFM. I came way down on the intervals. Now have 233000 miles with no AFM problems yet.
.
What interval are you doing oil changes at and about how much oil life is on the monitor when you do change your oil?
@@nimrod275 80% I change the oil filter every other oil change.
Same issues with the 5.7 Hemi but it seems more common on the GM’s for some reason
I wouldn't call it the same issues. are both engines having lifter issues - yes. but for different reasons and yes I would say the GM engines are having much more issues at this point.
How does Rams V6 mode works over GMC ?
Also Ford's ?
I am curious, how much (on average) would it cost to get a shop to delete the AFM on my 2015 5.3l silverado?
About $100.
There’s one thing I just don’t get about AFM, wouldn’t it be easier and simpler to just shut off the fuel injectors rather than deactivating the lifters? Sounds like a better idea to me but what do I know?
What if you add 10% to 20% of Marvel Mystery Oil at every oil change, will that help?
I’ve heard great things about that product !