GMC Rally Wagon 3500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your GMC Rally Wagon 3500
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GMC Rally Wagon 3500 ProblemsCheck Engine Light Due to Loose or Worn Gas Cap
A loose or worn gas cap could be cause the Check Engine Light to illuminate.
The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Our technicians tell us the misfire may or may not be felt while driving. They further recommend that both cylinder heads be removed and thoroughly inspected and repaired as necessary.
The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.
GMC Rally Wagon 3500 Questionsfuel 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?
SOME TIME IT HAS HESITATION? PLANNING A LONG TRIP,WOULD LIKE TO KNOW WHAT MIGHT HAPPENED,SO I CAN DEAL WITH IT?
vehicle suddenly lost power on accell what could cause this problem