Question about 2000 Chevrolet Suburban

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Heater doesn't work but air does

Check fuse

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You most likely have a bad sensor or broken activator arm to the door in to the heater box that open and closes when you switch from heat to air or visa versa... It sounds like it is open to the air and wont react to the heater control to go back ..is a common problem in the gm line of trucks and suvs...need to have a mechanic take a look..the sensor is a Fairly easy job and not too expensive..however the broken door mechanism is another story requiring some dashboard removal..good luck

Posted on Dec 08, 2014

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