drivers side climate control only blows cold air when heater is on with control to hottest seetting

Asked by pstanley Dec 04, 2013 at 06:31 PM about the 2002 Chevrolet Trailblazer LS RWD

Question type: Maintenance & Repair

1 Answer
30

Chiliman answered 10 years ago

my 08 Trailblazer started this problem. ice cold air on drivers, nice and warm on passenger and rear. I was told to get a Temp valve actuator (controls the temperature settings of the dual air). ITs GM part # 89018677

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