1990 Chevrolet Astro Problems

RepairPal has identified the most common problems with the 1990 Chevrolet Astro as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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20
Known Problems

A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.

An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.

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

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

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