Chevrolet
Lumina
3

Timing gears can cause knocking sound on Chevrolet Lumina

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: (–)
Engine affected: 2.5L 4 Cylinder
3 model years affected: 1990, 1991, 1992
3 people reported this problem