1990 Chevrolet Astro Problem Reports

RepairPal Verified 1990 Chevrolet Astro Problem Reports

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The alternator may fail, causing a "no charge" condition. An internal bearing may also fail and cause an abnormal noise. If the vehicle is driven too long with a failed bearing, the alternator may stop turning, which can cause the serpentine belt to break or the engine to stall and not turn over.

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

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