2013 Jeep No Heat. Troubleshoot and fix a Jeep Wrangler's heat when it is too cold in the cabin. You know the feeling if your car has been.

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11 2012 2013 2014 2015 2016 Jeep Compass Patriot AC Heat Switch Climate ... (Alvin Morton)
When the thermostat doesn't bring the engine all of the way up to the proper operating temp, it means that the water going through the heater core isn't as hot. After a couple hours I was able to diagnose and fix the issue. Be sure your car heater works properly providing enough warm air for passengers compartment.

Blower motor works fine as do the blend doors, at least from what I can see with her glove box removed.

At the simplest level, there are two main reasons why the heater is not working.

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Your Jeep heater is blowing cold air and you're not sure why. When the thermostat doesn't bring the engine all of the way up to the proper operating temp, it means that the water going through the heater core isn't as hot. You know the feeling if your car has been.