2003 S10 ZR2 Selector Switch Issue

2003 ALL OTHER MAKES ALL OTHER MODELS
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CSYPHARR
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I am having a problem with my a/c selector switch hissing and being stuck in vent mode. It seems that the a/c panel is getting too much vaccum, causing the diaphram to blow in the switch. This is the 3rd time it has been replaced in 3 months. The driver's side window motor also quits working and has been replaced twice. Any ideas? I have tried several areas to resolve this with no luck. Please respond with any solutions you may have. Thank you!
Feb 22, 2007 at 5:03 PM
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2CARPRO JACK
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Too much vacuum???? be sure the check valve is in-line on the source hose.Should be in the engine compartment.As for the window motor..... triple check all the grounds and switches ..... odds of 2 bad motors are pretty slim.Also check the wiring where it passes from the cab to the door for broken wires
Mar 2, 2007 at 8:15 AM