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International Automotive Technicians Network
2005 Chevrolet Silverado 2500 HD 6.6L Vent air temp.
Posted to GM HVAC on 6/8/2009 3 Replies

Kind of a funny thing.

Start the vehicle then while driving, HVAC set to fresh air, temp at 60, a/c off, outside ambient temp.60ish, air flow from vent will change to heat without any indication or command. turning a/c on does not change the issue.

Start th...

3 Replies Received (View Replies)

  Related Documents & Media  2005 Chevrolet Silverado 2500 HD

 
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23225
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI
AffectedVent Air Temp.
ConditionsTemp. Varies
Misc.Bosses Big Red Truck.
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23225
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFI
AffectedVent Air Temp.
ConditionsTemp. Varies
Misc.Bosses Big Red Truck.