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2012 silverado 5.3 air conditioning

air conditioning and towing

2012 silverado 5.3 air conditioning

Postby jwilliams74 [OP] » Aug 27 2020, 11:49am

hello all, I have a 2012 silverado 1500 4x4 z71 extended cab. my a/c runs fine all the time (usually). about 2 weeks ago I hooked up my camper, plugged in my lights (factory plug on bumper) and pulled it to our destination, the whole way everything was good and my a/c was normal, ice cold. we camped and when we came home I hooked up and headed back but this time my a/c only was working on the passenger side not driver side, in fact the air coming from drivers side was like the heat on full blast, passenger side ice cold..when I got home and unhooked drivers side a/c began functionig normally...any ideas? it seems it would have to be something with the plugging in of the camper lights/electric brakes (all in same plug). any help would be great.
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Re: 2012 silverado 5.3 air conditioning

Postby chem_man » Aug 27 2020, 12:26pm

It sounds like the driver's side temperature blend door actuator is stuck in the heat position.
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Re: 2012 silverado 5.3 air conditioning

Postby nealinator » Aug 27 2020, 8:28pm

It does sound like an issue with the drivers side blend door actuator. It may just have been a coincidence with the towing timing...because there is nothing I can think of that would connect the two. The drivers side one is easy to access just above the center trans hump under dash.
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Re: 2012 silverado 5.3 air conditioning

Postby ChevyZ712013 » Nov 04 2020, 2:38am

Is that issue mostly on the Dual zone climate control model? Or is this issue on non dual zone climate models as well when the passenger and driver can both adjust their temperatures??
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