2002 Chevrolet Tahoe ac

2002 CHEVROLET TAHOE
200,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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TJAM
  • MEMBER
  • 1 POST
When ac is on..rear vents blows hot air only
Jul 12, 2014 at 6:27 AM
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HMAC300
  • ✓Experienced 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
Jul 12, 2014 at 9:50 AM
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TJAM
  • MEMBER
  • 1 POST
Thanks for this information.....will definitely give it a try.
Jul 12, 2014 at 9:53 AM
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