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I have Yukon SLT that just replaced the mode acutator on and air stills blows out the defrost vents
2002 GMC YUKON
When I pluged in the new motor it rotated clockwise and stopped. It will rotate back no matter what the vent selestor is set to.
have the same problem?
Friday, November 18th, 2011 AT 5:10 PM
Test the vacuum going to the a/c panel. You have a vacuum leak some thing is leaking. Check all the vacuum hoses.
Friday, November 18th, 2011 AT 5:27 PM
There are no vacuum lines on this model for a/c, it uses dc servo motors to operate the blend door and the fresh/recirculating vents.
Friday, November 18th, 2011 AT 5:41 PM
Is the dc motor maybe hooked up backwards? That would make the motor turn in reverse.
Friday, January 27th, 2012 AT 7:32 AM
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