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Discussion Starter · #1 ·
My 01 temp control is sticking, the knob turns like normal but at times I have heat on when I'm in the blue and other times I have only luke warm air in the red. The problem clears its self in a day or two and then works normaly for a while until it sticks again. I have no idea how to start troubleshooting this any help would be a great help..

Thanks
 

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I hope someone can help out. My daughters '99 just started the exact same thing.

Dexter
 

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Discussion Starter · #3 ·
BUMP... Still have this problem, it is intermittent but no less of a pain in the azz...
 

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Probably the temp actuator but i have seen the control head cause this as well. the only way i know to check this is with the tech 2. I would guess at the temp actuator first.
 

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My 01 Tahoe did that all the time!!! Drove me nuts! I replaced the switch panel. I think I paid $20 on ebay. Worked like a charm. Before I replaced it, I hosed brake cleaner, with the tube, behind the dial. That would work for a few days. Mine always got stuck on hot. :)
 
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