2002 CHEVROLET BLAZER
18,900 MILES
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the heater and a/c system does not switch to the floor vents ?
Dec 26, 2012 at 7:29 AM
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HMAC300
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first pull the hvac fuse for 60 seconds then see if it works or not. then check yoru actuators one is'nt working. then check for a vacuum leak and see if vacuum is gettin to one of these vacuum motors. there is one for direction and another for heat/cold.
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Dec 26, 2012 at 2:53 PM