Question about 2003 Chevrolet Tahoe
I have heat when control is set at 90 . but adjust to 89 or below goes cold
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Posted on Jan 02, 2017
Its more then likely the temp door broken or temp door motor broken/stuck. There is 2-3 of these motors under the dash on the side of the evap/heater core box. Some require extensive labor to replace, good luck
Posted on Jul 29, 2009
SOURCE: 2003 tahoe 5.3 engine the
I posted this how to tip a while back. It should help you get the blower motor working again.
Posted on May 16, 2011
You will first have to check to see if the refrigerant has leaked out from the system. You may do one simple check yourself which is to turn on the airconditioning and look in the engine bay for the high and low pressure air-con pipes. There will be one pipe freezing cold if the system has refrigerant in it and the pump is working correctly. If not, then have the system checked by a professional.
Posted on Nov 04, 2012
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