L87 RegistryGM 6.2L V8 Failures
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Engine failureEngine replaced

2019 GMC Sierra 1500 SIERRA ULTIMATE

Jupiter, FloridaReported 1 month agoby kevin duchak

What happened

DRIVING ALONG AT 55 MPH AND A LOAD KNOCKING NOISE DEVELOPED. GOT HOME ( ABOUT 3 MILES) THAN LOST OIL PRESSURE.

Symptoms
Engine knockingRough idle / misfireTicking / tapping noise
Dealer response

BRING IT IN AND WE WILL QUOTE A REPAIR.

Case details

Mileage at failure
83,000 mi
Date of failure
Jun 30, 2025
Repair status
Engine replaced
Out-of-pocket
$6,000
Days out of service
3 days
Warranty
Not under warranty

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