1994 GMC 3500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 GMC 3500 Pickup

Power brake systems using "hydro-boost" may leak power steering fluid from the hydro-boost unit located behind the brake master cylinder. Replacement of the hydro-boost unit is the common repair to correct this concern.

The inside and outside door handles are prone to breaking.

The power door lock actuators may become slow to operate or stop working completely and require replacement.

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I turn the engen with the fule line diconnect and no fule comes out

following the procedure to start the GM3500 diesel pickup, Letting glow plugs warm up and turning key to start position, everything went dead. No dash lights - No nothing. Dead in the water. any ideas? it only occured once and it appeared that when the ignition switch was turned to the start p...

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