Question about 2005 Chevrolet Silverado
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: 2004 chevy silverado 1500 -
This may be an issue with the actuator wiring harness.There is a known issue of the actuator harness rubbing on an instrument panel brace. This appears to be located behind the glovebox. Would check and make sure this is not the issue you are having. Locate the HVAC actuator harness contact point shown by the arrow in the above illustration. The illustration is of the instrument panel with the instrument panel compartment door opened and folded downward. The actuator harness is located in the left side of the opening in the instrument panel.
Posted on Sep 25, 2010
SOURCE: 2004 Silverado 2500HD a/c is
Sounds like it is going through the recalibration process. We run into this issue when replacing the batteries on these. In the underhood fuse block there is a HVAC fuse. Pull it, wait 30 seconds, put it back in, and turn the key to the run position. You should hear the vents moving around. wait for about a minute or so, do not touch anything. If the self test/calibration passes everything will return to normal. If after several attempts you can not get it to return to normal than there is a problem with the HVAC system that will need to be resolved.
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Posted on Sep 26, 2010
There is a black vacuum hose in back of the glove box toward the top connected to a gray hose about 1/8 thick.You need to check to see if there is vacumm there.If yes then you need to take the bolts off to be able to tip the dash back enough to see all the vacuum hoses.Make sure they are all connected.It was alot of bolts but its is the best way.I had a hose off going to one of the acuator doors.Glued it back on and works great
Posted on Jul 17, 2011
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