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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Heater Help Please ...

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Old November 21st, 2023 | 8:47 PM
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Default Heater Help Please ...
deleted .. no help
Last edited by PJinHouston; November 21st, 2023 at 10:24 PM.
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Old November 21st, 2023 | 8:48 PM
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are the heater hoses getting hot? Is your coolant topped up?
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Old November 21st, 2023 | 8:49 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 November 21st, 2023 | 9:18 PM
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it that case the temperature blend door is probably stuck
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Old November 21st, 2023 | 9:26 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 November 21st, 2023 | 9:32 PM
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it's worth a look.
It would help if you posted your vehicle details.
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Blondie70 (December 2nd, 2023)
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