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Posted on Jan 02, 2017
your climate filter located at glove compartment,you need to take off it,or sometimes it is in the grill near windshield,the filter you need to take off the cover in the engine then follow the airduck
Posted on Jun 25, 2008
press the auto button and the floor defrost button together for a couple of second and it will change between the two
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Posted on Sep 28, 2008
there is a good chance that you blend air door is stuck closed over your heater core and therefore not allowing the heat to flow, also your door that opens and close your direction of flow from the floor ,das,vent and defrost.your going to have to remove the lower cowling of the dash on the passenger side analso some of the center dash to actually check to see if the cable,servo motors. are acuating the doors.the issue could be just a stuck door or a misaligned cable or that it came off. that falls under the mechanical side of probabilities. electrical would most likely be a faulty selector switch or a servo motor
Posted on May 15, 2009
SOURCE: climate controls
Car manufacturers use the defrost mode as a default for safety reasons. Being they want you to be able to defrost the windshield no matter what. So when something goes wrong the system automatically goes to the defrost mode. You most likely don't have the vacuum hose connected under the dash at the climate control assy. Or if this vehicle doesn't use the vacuum hose style you may have not plugged in one of the connectors under the dash or behind the climate control assy. Good luck.
Posted on May 21, 2009
SOURCE: my 1999 Chevy Silverado climate
You will need to replace the blend door actuator. What happened is the little plastic gear in the actuator has broke and now the vent will not open the door that controls the vent. Click on the link below to view the part you will need:
Posted on Jan 06, 2011
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