1990 Chevrolet Astro Problems
RepairPal has identified the most common problems with the 1990 Chevrolet Astro based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
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.
Timing gears may wear causing a mild to severe knocking noise from the front of the engine. Replacement of the timing gears is necessary.