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International Automotive Technicians Network
1998 Chevrolet Blazer 4.3L Temp Blend Door
Posted to GM HVAC on 4/18/2008 3 Replies

Hi Crew, HVAC/ATC has problem, blend door continues to cycle, hot to cold. Cannot interface with red brick. With Vantage, actuator feedback is showing full travel, EXCEPT when voltage gets near 0, a spike to 5 volts occurs for about 2 seconds, then back to nea...

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  Related Documents & Media  1998 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Blazer

VIN 1GNDT13W8W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTemp Blend Door
ConditionsCycling
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Blazer

VIN 1GNDT13W8W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTemp Blend Door
ConditionsCycling