1993 GMC Vandura 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1993 GMC Vandura 2500

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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.

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

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I think it should be lower 12 or 14 amps.It may have ruined the relay and control also

I have a 1993 GMC Vandura, 5L v8 with an intermittent electrical/starting problem.

It developed the problem a few years ago. It ran fine and was turned off normally, but nothing happened when I inserted the key to restart- no power, no nothing. I checked all fuses, tightened the bat...

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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! JH

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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