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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1993 GMC Vandura 2500 ProblemsHighter Than Nornal Idle Due to Vacuum Leak
An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.
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.
1993 GMC Vandura 2500 QuestionsHow do I installl the power window motor on the passenger side ? Regulator OK.. (1 answer)
Can you give me a sequence?
How do I support window and frame?
How does the motor gear install ?
How do I keep Reg. spring engaged?
Any other tips?
The window stopped 1/4 up but after cooling down it again works. I have the new motor to install and have the panel off.
I think it should be lower 12 or 14 amps.It may have ruined the relay and control also