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Engine Knocks At Start Up
2012 GMC Terrain
This problem may be covered under warranty. Ask your GMC dealer.
8.0
pretty bad- Typical Repair Cost:
- No data
- Average Mileage:
- 30,000 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- replace 4 pistons rings, rod and main bearings, timing chain (1 reports)

engine problem
Helpful websites
- No one has added a helpful site for this 2012 Terrain problem yet. Be the first!
A D V E R T I S E M E N T S
according to dealer this is just the start of this problem.
- ronmo, Springfield, MO, US