1994 GMC 3500 Pickup Repair and Maintenance

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

1994 GMC 3500 Pickup Problems

Valve Cover Gaskets May Leak Oil

A burning smell may develop due to an oil leak form one or both valve cover gaskets. Resealing the valve cover will generally correct this concern. However, the valve covers should be inspected and replaced if damaged.

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.

Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

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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1994 GMC 3500 Pickup Questions

Why does my 1994 gmc 3500 pick up shuts off (1 answer)

no fule coming from the fule pump to cobrator (2 answers)

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

everything dead (1 answer)

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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1994 GMC 3500 Pickup Recalls

Seat Recliner Bolts Loosen And Fracture

The seat recliner to seat frame bolts could loosen and fracture, resulting in the seat back reclining unexpectedly while driving. Dealers will remove all foam and fabric sandwiched between the recliner assembly and the seat frame, and will install new attaching bolts tightened to a higher specification free of charge to resolve the concern.

Front Seat Belt Buckles Release In An Accident

The front seat belt may unlatch from the buckle during an accident. Dealers will remove a certain area of stitching in the shoulder belts that creates an energy management problem resulting in the condition free of charge to resolve the concern.

Seat Belts Insufficent To Prevent Head Injury

The front seat belt retractors lack proper energy management features to prevent head injuries. Dealers will replace the retractor portion of the seat belt assemblies with proper updated parts free of charge to resolve the concern.

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