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2021 Silverado Trail Boss Lifter Failure

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ram1067 Enthusiast

ram1067

Posted
Posted (edited)

I would demand a full market retail price. Or a new loaner till  its fixed!

Edited by ram1067
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BIGDOGx
BIGDOGx

That truck is long gone right now👍, my point though was gm customer help being allowed to do something other than offer appointment booking. I got essentially a free gmpp plat 0 deduct warranty to 80k

Z45
Z45

You can demand all you want but they are only going to replace what GM pays them to replace. 

Nomad24
Nomad24

Driving back from Pagosa Springs CO To Austin TX we stopped in Roswell NM for the night, got about 50 miles out of Roswell and had the knocking and misfiring, got it towed back to Roswell to Richland

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ram1067 Enthusiast

ram1067

Posted
Posted

My understanding was that anything over 8500 not both sides. Mine failed @ 6500 and my dealer did both sides! Possibly because of my 30yr history which them…… I don’t understand why a dealer would bring in a vehicle spend the time taking one side apart and then possibly six months down the road have to bring it back in and do the other side! Didn’t make sense to me or my dealer.  Just demand it work with the dealer. Ask to speak with area rep. 

dgstarr63 Enthusiast

dgstarr63

Posted
Posted

Your dealer is asleep. About two months ago GM started replacing both banks up to 16000 miles. Mine were all replaced at 9900 miles. There is a serv8ce bulletin verifying this.

  • 1 month later...
RobZ Enthusiast

RobZ

Posted
Posted

My 2019 GMC Sierra with 5.3 had the issue with less than 10k miles. Dealer got me a loaner car for almost three weeks.

Besides replacing two lifters they replaced the wire harness to the solenoids for AFM. Truck has been running good since with 65k miles.

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SilverMak Enthusiast

SilverMak

Posted
Posted
On 8/24/2022 at 9:24 AM, RobZ said:

My 2019 GMC Sierra with 5.3 had the issue with less than 10k miles. Dealer got me a loaner car for almost three weeks.

Besides replacing two lifters they replaced the wire harness to the solenoids for AFM. Truck has been running good since with 65k miles.


Nice to hear from someone that had this happen and has a few miles on the engine without problems. This happened to me late last December and all of my lifters were replaced. My truck has been running great since then but I’m low mileage. How long has it been since this happened to you?

  • 2 weeks later...
wb5rag Enthusiast

wb5rag

Posted
Posted

i'll have to add my two cents, after 20,110 miles on my 2021 crewcab 4x4 it began "misfiring" and diagnose finally was #3 cylinder error and lifter............hopefully the fix will be forever as it is embarrassing as a chevy owner FOREVER AND EVER with 4 different 5.3 engines that this is all of a sudden happening, especially to a new one!!!

brewtus Enthusiast

brewtus

Posted
Posted
On 9/7/2022 at 6:39 PM, wb5rag said:

i'll have to add my two cents, after 20,110 miles on my 2021 crewcab 4x4 it began "misfiring" and diagnose finally was #3 cylinder error and lifter............hopefully the fix will be forever as it is embarrassing as a chevy owner FOREVER AND EVER with 4 different 5.3 engines that this is all of a sudden happening, especially to a new one!!!

 

What was your build date?

  • 1 month later...
RobZ Enthusiast

RobZ

Posted
Posted

Well I jinxed my self, 67000 miles and its back at at the dealer for #3 cylinder, lifter, piston and ring replacement.

Pinnacle Enthusiast

Pinnacle

Posted
Posted
1 hour ago, RobZ said:

Well I jinxed my self, 67000 miles and its back at at the dealer for #3 cylinder, lifter, piston and ring replacement.

Its not you its GM engineering at its finest. 

  • 3 weeks later...

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