Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Heater Help Please ...

Old Nov 21, 2023 | 7:47 PM
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Default Heater Help Please ...

deleted .. no help

Last edited by PJinHouston; Nov 21, 2023 at 9:24 PM.
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Old Nov 21, 2023 | 7:48 PM
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are the heater hoses getting hot? Is your coolant topped up?
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Old Nov 21, 2023 | 7:49 PM
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Yes, the hose into the firewall and the hose that comes out are both hot so no blockage
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Old Nov 21, 2023 | 8:18 PM
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it that case the temperature blend door is probably stuck
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Old Nov 21, 2023 | 8:26 PM
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why would it start working after replacing teh control module then quit shortly after ... if it was stuck then why did it work suddenly then quit again.
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Old Nov 21, 2023 | 8:32 PM
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it's worth a look.
It would help if you posted your vehicle details.
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