GMC Vandura 3500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your GMC Vandura 3500
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GMC Vandura 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 Vandura 3500 QuestionsHow do I remove and replace a bad Fuse Box on a 1996 GMC Vandura 3500 Van (1 answer)
Some of the Fuses are showing burnt; the 20 amp slot is damaged.
This is a new thing. My truck stalls when coming to a stop. It seems the faster/harder the braking = stall but other times if I brake lightly and allow for a long distance to slow to a stop (eg coming to a light) it will not stall.
When we purchased the van, the serpentine belt began coming off after hitting a large patch of water. Father-in-law, who was very mechanically savvy, said van had larger than normal alternator and needed a 955 belt instead of the recommended 945. Put on 955, ran great until a week ago, belt cam...