Question about Cars & Trucks
Pass side blowing cold air all the time never gets hot
Posted by Anonymous on
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Posted on Jan 02, 2017
There are two possabilitys for this issue. First is a low A/C charge will cause this. Second the dual zone A/C has temp actuators for each side. It is possible one has gone out or is stuck.You can try pulling the fuse for the HVAC for a minute or two, this will reset the system and it will relearn the door positions. Good Luck
Posted on Jun 22, 2009
SOURCE: driver side ac not cold
It is not a coolant leak. Nice try though. It is possible that the infra red temp sensor is faulty, also it may be a mode door(directs air flow in the heater box) or a mode door actuator. Your dealer can test for proper door actuation, and can also check temperature difference, some is not uncommon, but it depends on the temp setting, is this a dual zone, or tri-zone atc unit?
Posted on Nov 18, 2008
it is the flap door inside the heater box area.alot of gm with electronic climate control have the problem.there is an actuator motor that needs to be replaced.
Posted on Jun 14, 2009
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