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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Heat in middle / rear only when driving.

   
Old Nov 19, 2023 | 1:27 PM
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maverickx86's Avatar
maverickx86
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Default Heat in middle / rear only when driving.
My 2021 Suburban blows hot heat in the front row without issue. In the middle / rear rows, it only blows heat when driving, when I stop or park the air gradually cools. Any thoughts?
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Old Nov 19, 2023 | 5:08 PM
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mountainmanjoe
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Originally Posted by maverickx86
when I stop or park the air gradually cools
with the engine running?

The temperature blend door might be getting stuck.
It's a warranty issue. Take it to the dealership.
Last edited by mountainmanjoe; Nov 19, 2023 at 5:10 PM.
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