L87 RegistryGM 6.2L V8 Failures
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TickingRepaired (paid)

2021 GMC Sierra 1500 Denali

Fremont, NebraskaReported 1 month agoby Jesse Adams

What happened

Lifter failed and ate the cam.

Symptoms
Ticking / tapping noiseRough idle / misfireBurning / consuming oilSudden loss of power

Case details

Mileage at failure
96,458 mi
Date of failure
Apr 13, 2026
Repair status
Repaired out of pocket
Out-of-pocket
$13,200
Days out of service
28 days
Warranty
Unknown

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2021 GMC Sierra 1500: failed at 96,458 mi · L87 Registry