1991 GMC Vandura 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 GMC Vandura 2500

1991 GMC Vandura 2500 Problems

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.

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.

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.

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1991 GMC Vandura 2500 Questions

do I need to change the complete a/c compressor unit? I heard I would need to 'recalibrate' if I just change the clutch, is this true and if so what is involved?

It has what seems to be a vacum leak but all hoses are on.it dies at low idel. Unable to drive engine dice when put in gear. Possible MAP where it where it is.

It's leaking from the front of the engine I thought it was a freeze plug, the water seemed to be leaking from there, but now it's seems to be coming from the power steering pump but that's impossible, there is a mounting plate in the way and I can't tell where it coming from, ...

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1991 GMC Vandura 2500 Reviews

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...

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