Heater stopped working?

2005 NISSAN SENTRA
200,000 MILES
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MONA EATON
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It's 14° outside. I let the car warm up and left for the laundry mat. The heater never got hot, and it worked last night. It's not overheating.
Dec 24, 2022 at 5:43 AM
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STRAILER
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Allow the engine to cool then check the coolant level because the heater is the first thing to stop working when the coolant is low. This video will show you how:

https://youtu.be/GSE9skKnOgY

This guide can help as well:

https://www.2carpros.com/articles/car-heater-not-working

Please go over these guides and report back.
Dec 24, 2022 at 11:04 AM