Climate Control either cold or hot

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diezelraccoon

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Jun 18, 2024
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So been having an issue with my climate control in my 03 Tahoe. I can turn it up to 89 degrees and it still blows cold until I turn it up to 90 then it switches to hot.
I just replaced the air aspirator above the driver cause the old one was making a loud whirling noise but that didn’t fix the issue.

Any ideas to what’s causing this?
 

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