Question about 1998 Chevrolet Tahoe
IF front is working fine the most likley cause is the rear a/c expansion valve is stuck closed and will need to be replaced.
Posted on Mar 28, 2011
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Posted on Jan 02, 2017
SOURCE: 1998 tahoe ac
there should be some aluminum lines under the truck on the rear of body, feel these lines with the a/c on, if they are cold then there is something wrong with your rear blen door, blend door is the door controling the cold or hot desire position, sometimes it is controled by vacium and sometimes it is electrical, if lines are cold what most likelly they will be then have the rear belnd door actuator inspect.
Posted on Jun 18, 2008
I just worked through a similar issue with my van. The front and rear systems each have their own expansion valve. Chances are the front one is stuck and needs to be replaced. System will have to be evacuated and recharged.
Posted on Aug 05, 2009
either a switch is bad or a electrical operated door failed within the duct work. . This vehicle has the abililty to set a code for this condition and only the dealer and some shops have the diagnostic equipment to diagnose this cortectly the first time.
Posted on May 16, 2010
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