Not cool

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Jasper Calloway

TYF Newbie
Joined
Mar 19, 2026
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2002 Tahoe, 5.3.
No matter which way the cool/heat knob is turned, or the fresh air/cab air is, or even the a/c switch, it's blowing warm or hot air only. What's up with that?
Any advice greatly appreciated.
 

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