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Resources for the Repair and Maintenance of your GMC Vandura 2500

GMC Vandura 2500 Models:

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GMC Vandura 2500 Problems

Engine -- Verified

The alternator may fail causing the battery to go dead. The charge light on the dash may or may not illuminate. The alternator may also develop an abnormal noise. A failed alternator will require replacement.

Engine -- Verified

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.

Engine -- Verified

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.

Engine -- Verified

An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.

Engine -- Verified

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

GMC Vandura 2500 Questions and Answers

wuzaaap, 1991 GMC Vandura 2500, Sun Prairie, WI

The a/c compressor on my van squeels very loud while its running. I dont use the a/c and dont care if i dont have it anymore, so i was wondering if theres anything i can do to stop the noise withou...

wuzaaap, 1991 GMC Vandura 2500, 5.7L V8, Madison, WI

If the a/c compressor is taken out then how would the serpentine belt be rerouted? Or does it have to be replaced and not taken out if there is a serpentine belt?

wuzaaap, 1991 GMC Vandura 2500, 5.0L V8, Madison, WI

Does the bolt on the idler pulley need to be turned clockwise to take it off instead of the usual way? Because the bolt on mine is hard to get off and i want to make sure im turning it the right way.

Visitor, 1991 GMC Vandura 2500, 5.7L V8, Azle, TX

I am trying to find where the blower motor is, can you help me?

alleykat, 1991 GMC Vandura 2500, 5.7L V8, Albuquerque, NM

Hello everyone im new here but need help.i replaced ring and pinioin bearings, worm gears and side bearings, had to replace drive shaft had aluminum now has steel, i replaced because of chipped pin...

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GMC Vandura 2500 Reviews

should timeing marks on a timeing chain be pointing at each other or in a straight line up

just bragging ,,,just hit 330,000 miles. regular maintence and wear . hope we hit half million mark !!

Bought it in Reno, Nevada and drove it up to Alaska 2 weeks ago. Awesome vehicle with a smooth ride, smooth transmission, strong but quiet engine, and pretty good gas mileage! Will keep it for a long time!


Just got it about half a year ago and I think it runs great and all I have had to do is normal tune up oil,air filter, spark plugs, break pads, drums, calipers, rotors, some new fuses and I am going to get some new rugs for it but the ones in it are still good. And yes that looks like a lot but It only cost about 250 if you do it your self and go to advance auto parts and most of the parts like brake pads are life time warranty.

i wish I could drive this thing straight into a tree! can,t stand it. I've put so many new parts into it and still can't get it to run right..... lesson learned "never buy anything from a person named cleatus!"

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