lifter failure

  1. woketradr

    PPV and engine hours.

    Hey guys, how is your PPV running and has increased engine hours from police idling effected the engine at all? Mine are very high, many hours of idling running on a clean propane from the police. How many hours do you guys have on your PPV and should I even be concerned? I have a 2019 with...
  2. X

    6.2L Lifter issue - ?

    OK, I’m mad that I have to write this but after I bought a used 2021 Escalade and replaced a 2021 Tahoe with issues (burning oil like crazy) I‘m having a new, serious issue. Guess it’s the lifters. Car is built in Oct 2020. Last week I started the engine and it was shaking but then after a few...
  3. H

    1000 miles from home dead 2022 Denali

    So, took first vacation in 5 years with the Family, 1000 miles from home and my 2022 Yukon Denali 6.2 with 27000 on it starts ticking the day after I arrive at my destination. Called local GMC Cadillac dealer, service guys says it sounds like the lifter issue due to afm , they got me in right...
  4. O

    What can be done?

    So, I have a 2018 Escalade ESV that is under warranty with just under 60k miles. After having multiple issues with the car battery going dead, I started it one late September day and it began to misfire. The vehicle was taken to a trusted mechanic who found the problem to be with bank 1 and...
  5. Printworthy

    Buying a 2020 Yukon with L83 5.3L EcoTec - Should I worry about AFM Lifter Failure

    Hi Everyone: Have a deposit on a used 2020 Yukon SLT and just discovered the AFM Lifter Issue online. I cannot figure out if the Service Builletins include the 2020 year or just 2021 L82. Lot's of stories about older Sierras and Silverados but can't narrow it down. Should I back out and look for...
  6. B

    Just joined the 2021 Yukon lifter group

    I purchased a new 2021 Yukon XL Denali in July 2021. At 19k miles, left lifter bank went. Dealer would only replace 8 lifters. I m in retail automotive on the adaptive vehicle side and told the service manager I was calling the tech center to get it approved. He said he can replace the other 8...
  7. T

    Count me among the "failed lifter" group...

    2022 Yukon SLT 5.3—just passed 9,000 miles. Vehicle started sputtering a bit while driving, then at the next light started shaking pretty violently at idle. Service Traction Control and Service ESC notifications displayed. Thankfully I was able to make it home (5 minutes away) and take it to the...

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