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GMC Safari Problems

Timing gears can cause knocking sound on GMC Safari

Problem Description and Possible Solution

Timing gears may wear causing a mild to severe knocking noise from the front of the engine. Replacement of the timing gears is necessary.
(1 person reported this problem)

GMC Safari Vehicles With This Problem

RepairPal Verified
Average mileage: (–)
Engine affected: 2.5L 4 Cylinder
1 model year affected: 1990
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