1994 GMC 1500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 GMC 1500 Pickup

The inside and outside door handles are prone to breaking.

The windshield wipers may not work intermittently due to a faulty wiper motor control board. Our technicians tell us that lightly taping on the wiper motor when the fault occurs should temporarily get the wipers working again. Some vehicles were recalled for this problem and some were not. You will need to check with your local dealer to find out if a specific vehicle was included.

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

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I have a 5.7 in this truck and I have 12+ volts at the injectors on the throttle body yet no signal with a noid light connected when cranking the engine, I suspect there is a computer issue with relation to ground (short to ground) (Note, The oil pressure sending unit was shorted out causing the ...

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Very good dependable truck. Bought this one used, superb running condition even before tune-up. Takes a lickin & keeps rollin. No major problems as of yet.

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