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2003 S-10 ZR2 Selector Switch Issue

Tiny
CSYPHARR
  • MEMBER
  • 2003 ALL OTHER MAKES ALL OTHER MODELS
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!
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Thursday, February 22nd, 2007 AT 5:03 PM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
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
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Friday, March 2nd, 2007 AT 8:15 AM

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