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International Automotive Technicians Network
2002 Chevrolet Trailblazer LS 4.2L HVAC System
Posted to GM HVAC on 2/1/2006 5 Replies

Hello techs, The bosses wifes truck always has some air flow out of vents in any mode position. Have pulled lower dash and watched blend door motors working. This is a manual system have reflashed hvac system and pulled inspection cover to see the doors moving...

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  Related Documents & Media  2002 Chevrolet Trailblazer LS

 
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car Vehicle Data

2002 Chevrolet Trailblazer LS

VIN 1GNDT3S822
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHVAC System
ConditionsAlways Has Air Flow Out of Vents
Message Closed

car Vehicle Data

2002 Chevrolet Trailblazer LS

VIN 1GNDT3S822
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHVAC System
ConditionsAlways Has Air Flow Out of Vents