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2002 Chevrolet Tahoe AC

Tiny
TJAM
  • MEMBER
  • 2002 CHEVROLET TAHOE
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
When ac is on. Rear vents blows hot air only
Saturday, July 12th, 2014 AT 1:27 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If you mean the auxiliary unit then check the temp actuator it may not be working causing this. Try pullilng the fuse for the hvac for 60 seconds then turn ignition on an dstart it may recalibrate the actuator
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Saturday, July 12th, 2014 AT 4:50 PM
Tiny
TJAM
  • MEMBER
  • 1 POST
Thanks for this information. Will definitely give it a try.
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Saturday, July 12th, 2014 AT 4:53 PM

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