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8.7
pretty bad- Typical Repair Cost:
- $6,250
- Average Mileage:
- 68,400 miles
- Total Complaints:
- 3 complaints
Most Common Solutions:
- engine replaced (1 reports)
- not sure (1 reports)
- replace failed lifter & cam (1 reports)
engine problem
Helpful websites
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A D V E R T I S E M E N T S
A close personal friend is a certified dealer mechanic on the other side of the country. He is very disappointed in how GM is dealing with this common issue. I'm beyond disappointed. In his words 3 of 5 lifter failures result in cam shaft replacement as well. I would advise those looking at used GMC Pickup trucks with AFM (active fuel management) to listen carefully for any tapping noises that sound like they might originate from the part of the engine near the firewall when the engine is under load. As the tapping noise is a common precursor to total lifter failure. Once the lifter fails; then (under load) you get misfires and it sounds like you are driving over rumble strips. The replacement part numbers have changed; the fact that GM has re-engineered the lifter to overcome this issue but they are not willing to do ANYTHING to defray the exorbitant cost of repair; says a lot about the principles of the company.
Dealer quote:
Lifter replacement: $4,000 (parts 1900)
Cam replacement: $2,500
Total: $6,500
- Mark M., Fort Mill, SC, US