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International Automotive Technicians Network
2001 GMC Sierra 2500 HD SLT 8.1L Blend Door
Posted to GM HVAC on 2/28/2014 9 Replies

The story with this one is a few monthes back you could only have full heat or full cold nothing in between. Replaced interior ambient air temp sensor and all was well for a month or so. This vehicle has automatic controls(not dual climate though) and a few we...

9 Replies Received (View Replies)

  Related Documents & Media  2001 GMC Sierra 2500 HD SLT

 
Message Closed w/FIX

car Vehicle Data

2001 GMC Sierra 2500 HD SLT

VIN 1GTHK23691
Engine8.1 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedBlend Door
ConditionsFull Heat All the Time
Misc.None
Message Closed w/FIX

car Vehicle Data

2001 GMC Sierra 2500 HD SLT

VIN 1GTHK23691
Engine8.1 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedBlend Door
ConditionsFull Heat All the Time
Misc.None