Timing gears can cause knocking sound on Buick Skylark

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.
Problem Data
RepairPal Verified
Average mileage: (–)
Engines affected: 2.3L 4 Cylinder, 2.5L 4 Cylinder
3 model years affected: 1990, 1991, 1992
3 people reported this problem
Viewing 1 - 1 of 1 comments
knocks bad