Heat not working

Asked by Jan 12, 2016 at 06:55 PM about the 2003 Pontiac Aztek AWD

Question type: Maintenance & Repair

My heat keep cutting on/off every few days trying
to figure out why it keep doing that..

3 Answers


First check anti freeze level next replace thermostat also not a bad idea to flush cooling system.

Best Answer

Thanks.. I put a little bit of anti freeze in there a few days ago but it wasn't a lot do u think antifreeze can run out fast cause my heat cut back off


First check it out and see how low it is if not that low most likely thermostat. If is low there is a leak somewhere in the cooling system.

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