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2003 GMC Sierra 2500 HD SLE 6.6L Air Conditioning
Posted to GM HVAC on 8/6/2005 45 Replies

This is my personal truck and ever since it was brand new the AC performance has been unacceptable when ambient temp exceeds 95f. I can only get 65 deg f. duct temp on hot days. System performance is fine when the days are cooler. (duct temp down to 50f.)

We...

45 Replies Received (View Replies)

  Related Documents & Media  2003 GMC Sierra 2500 HD SLE

 
Message Closed w/Summary

car Vehicle Data

2003 GMC Sierra 2500 HD SLE

VIN 1GTHK23173
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedAir Conditioning
ConditionsNot Cold Enough
Message Closed w/Summary

car Vehicle Data

2003 GMC Sierra 2500 HD SLE

VIN 1GTHK23173
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedAir Conditioning
ConditionsNot Cold Enough