Question about Air Conditioning and Heat for GMC Terrain
Air flow will not come out of upper vents
Posted by Anonymous on
There are air sensors that open/close and mix the air...this is one of the GM product problems I have the same thing on my 2003 Sanoma..there are easy fix ones and unfortunately mine is the hard fix requiring the dash removal..the other is a door spring or plastic piece broken..can be seen just under the dash where the sir box is..easy fix..have it checked that is the common problem..Hope the best and good luck..
Posted on Oct 03, 2014
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Posted on Jan 02, 2017
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