1991 Chevrolet 1500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Chevrolet 1500 Pickup

1991 Chevrolet 1500 Pickup Problems

ABS Front Wheel Speed Sensors May Fail

The anti-lock brake system (ABS) front wheel speed sensors are prone to failure. When a sensor fails, the ABS warning light may illuminate and/or the ABS system may activate erratically.

Leaking Water Pump May Cause Coolant Loss and Overheating

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.

Idling Problems Due to Vacuum Leak in Throttle Body Gasket

The throttle body gasket may develop a vacuum leak which may result in a higher than normal engine idle. Failed gaskets will require replacement.

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