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Chamfer cam bearing caps on Jeep Liberty

Problem Description and Possible Solution

Putting a chamfer on the cam bearing caps, as specified in a service bulletin, can solve a "high pitch snapping noise" heard when the engine is idling or slightly above idle.

Problem Data
RepairPal Verified
Average mileage: (–)
Engine affected: 2.4L 4 Cylinder
3 model years affected: 2002, 2003, 2004
4 people reported this problem