Resources for the Repair and Maintenance of your GMC 3500 Pickup
GMC 3500 Pickup Models:
GMC 3500 Pickup Problems
Inside/Outside Door Handles May Break
The inside and outside door handles are prone to breaking.
Power Brake Units May Leak Fluid From Hydro-Boost Unit
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.
Intake Manifold Gasket May Leak Coolant or Engine Oil
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.
Power Door Lock Actuators May Fail
The power door lock actuators may become slow to operate or stop working completely and require replacement.
ABS Warning Light On and/or Erratic ABS Operation
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.
GMC 3500 Pickup Questions and Answers
electrical problem w/ brake lights not working, replaced all fuses and bulbs. when head lights are there is no brake lights. when turn signal is on then both signals flash abck and forth.. i can no...
what transmission came stock in a 1990 gmc dually 4x4
I was brought this truck to my shop to fix cause the bell housing was cracked pulled the trans and put a new bell housing in but now every gear works but reverse it has the 4 speed manual any sugge...
the tilt wheel system seems very loose,is there any way to tighten it.
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
GMC 3500 Pickup Stories
This year paint was not GMC's best.
I have had problems with the paint peeling off in strips.Overall strong truck 7.4 454 big block. I tow a 30' toyhauler and this truck can pull.