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1988 Chevrolet K1500 Cheyenne 5.7L Blend door
Posted to GM HVAC on 12/12/1997

This truck will switch to full heat and defroster at will. Sometimes it happens after only a couple of miles. Other times it takes an extensive drive. When it does happen, the system cannot be controlled or even shut down. The key has to be turned off to gain ...

  Related Documents & Media  1988 Chevrolet K1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet K1500 Cheyenne

VIN 2GCDK14K9J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedBlend Door
ConditionsGoes to Full Heat
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet K1500 Cheyenne

VIN 2GCDK14K9J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedBlend Door
ConditionsGoes to Full Heat