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2002 Chevrolet Avalanche 2500 Question: fan speed

 

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danmon, Anchorage, AK, October 29, 2009, 16:06
 Rookie

while in the heater/defroster setting my fan does not go to high speed. at times in may kick in for a few moments then goes back down, what is possible problem? the fan switch or what?

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  • Answer #1

    Oakman October 30, 2009, 09:44
     Master

    The fan switch could be the problem with the HVAC blower of your 2002 Chevrolet Avalanche. The fault could also be the relay or a connection issue anywhere in the blower motor circuit. I complete diagnoses of the blower motor may be necessary to isolate the cause of your fault.

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