I HAVE SLT THAT JUST REPLACED THE MODE ACUTATOR ON AND AIR STILLS BLOWS OUT THE DEFROST VENTS

2002 GMC Yukon

Tiny

estivender

November, 18, 2011 AT 5:10 PM

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.

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3 Answers

Tiny

cadieman

November, 18, 2011 AT 5:27 PM

Test the vacuum going to the a/c panel. You have a vacuum leak some thing is leaking. Check all the vacuum hoses.

Tiny

estivender

November, 18, 2011 AT 5:41 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.

Tiny

rivermikerat

January, 27, 2012 AT 7:32 AM

Is the dc motor maybe hooked up backwards? That would make the motor turn in reverse.

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