08 Tahoe Rear AC not blowing cold

Doubeleive · May 18, 2022

iamdub said:
What does that second one do- floor or overhead vents?

I wanna tear into that to inspect and clean it. Even if I fix it elsewhere, air flow is a critical factor.

yep on a tech2 it would be up/down command

iamdub · May 18, 2022

Doubeleive said:
yep on a tech2 it would be up/down command

For now, my Tech2 will be my 13-year-old pressing buttons on the control panel.

Doubeleive · May 18, 2022

iamdub said:
For now, my Tech2 will be my 13-year-old pressing buttons on the control panel.

that works!

denalianyone · Jun 20, 2024

iamdub said:
The larger line should be cold and sweating. After reading the suggestion that the valve might be stuck, I'm thinking this could be a possibility resulting from lack of use. My Tahoe sits a lot.

Did you fix your issue? There are two orifice tubes in the rear that need to be checked if air is struggling to get cold. Now if the high side line is cold underneath and not cold air in the rear, then the blend door is the culprit.

Dustin Jackson · Jun 20, 2024

@denalianyone I have not fixed this problem yet, the front is able to cool the entire well enough for now.

08 Tahoe Rear AC not blowing cold

Doubeleive

Wes

iamdub

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Doubeleive

Wes

denalianyone

NYBlackLade08

Dustin Jackson

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