1990 GMC 3500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 GMC 3500 Pickup

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1990 GMC 3500 Pickup Problems

Driveability Problems Due to Internal Distributor Fault

The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.

Service transmission every 30,000 miles
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

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1990 GMC 3500 Pickup Questions

Why would my tranny quit working all the sudden its automatic 1977 (1 answer)

WHY my FRONT BRAKES keep getting jammed up ??? (1 answer)

Greetings and help !; I have a 1990 GMC K3500HD 4WD lifted with a 454 engine. Front brakes tend to jam and heat up when it goes into operational temperature. Already replaced calipers, pads, discs and hoses (custom because of lift). WHEN we test it, it works OK but when it gains operational tempe...

no feul to the engine (1 answer)

keeps blowing the computer fuse without the key on and no feul to the engine. Will start if dump gas down the carb 1988 vandura 3500

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