GMC Rally Wagon 3500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your GMC Rally Wagon 3500

GMC Rally Wagon 3500 Problems

Intake Manifold Gaskets 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.

Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Leaking Water Pump May Cause Coolant Loss and Overheating

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.

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GMC Rally Wagon 3500 Questions

fuel pump problem (1 answer)

how do I access the fuel pump? do I need to purchase the entire assembly or just the pump and use the old attachment parts?

NEED TO KNOW OF KNOWN BULLENTINS? PROBLEMS? GOING ON A LONG TRIP. (2 answers)

SOME TIME IT HAS HESITATION? PLANNING A LONG TRIP,WOULD LIKE TO KNOW WHAT MIGHT HAPPENED,SO I CAN DEAL WITH IT?

vehicle lost power on accell (1 answer)

vehicle suddenly lost power on accell what could cause this problem

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