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Chevrolet S10

Report: Timing gears can cause knocking sound

Chevrolet S10 Problem
5 Reports
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Model Years Affected: 1990, 1991, 1992, 1993

Engine Affected: 2.5L 4 Cylinder

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Timing gears may wear causing a mild to severe knocking noise from the front of the engine. Replacement of the timing gears is necessary.

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