Why Is My Jeep Not Blowing Hot Air

When this system is not working properly it can be because the pressure in the AC lines is too low or because the compressor has failed. Your Jeeps thermostat is a valve that helps regulate engine temperature.

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I would suggest you start with a good cooling system flush and see if there are restrictions in the flow in and out of the heater core.

Why is my jeep not blowing hot air. Broken fans electrical issues condenser or compressor problems can all cause your AC to blow warm air. Why is my Jeep Wrangler not blowing hot air. I would first reset the faults by disconnecting the negative battery lead and see if the faults come back.

Jeep 2001 GC. Lastly the air from your AC might not be as warm as it used to be sometimes the air from your AC might not be exactly warm but it isnt as cold as it once was. The 54 is normally a broken end stop for the blend door the left one in this case.

Now a few days ago it started blowing all cold air through vents. Heater is not blowing hot from certain vents. I had the thermostat replaced about a year ago and that didnt fix the problem.

Low Coolant First and foremost check the coolant level. Generally speaking a lack of refrigerant is the most common cause of your AC system only blowing warm air. Not sure where to start.

14 is recirculation motor not responding and 54 left temp door travel too large. If youre still not getting heat to your heaters and you know the heater core is not blocked due to a clogged system and you know theres no air in the system because youve bled the system using the bleed nipple on the right-hand side of the radiator the last thing you can check is an electronic component. We recommend having a professional recharge.

When the valve sticks open then the engine runs cooler than normal and should cause the check engine light to illuminate. A couple weeks ago it started blowing all hot air through the vents no matter what the temp. Strange odor coming from your AC.

Dana DowlingDemand Media The air conditioning system in your Jeep Liberty compresses a refrigerant and blows the resulting cold air into the passenger cabin. Jeep Compass Air Conditioning Not Blowing Cold Causes Lack of Refrigerant Your Compasss air conditioner will not work if the refrigerant has disappeared due to a leak. The heater core could be plugged or coated with insulating layers of crud.

AC Not Blowing Cold Jeep Grand Cherokee Most of the time when your Grand Cherokees air isnt blowing cold enough it is going to be a lack of refrigerant causing the problem. If there is not enough coolant it will not blow out hot air at all. Hello I have an issue with my 2006 jeep commander.

Most times clogging damage to some of the components or even failed parts or fuses lead to decline in the coldness of the air. This will usually only allow the heater to blow out cold air as well and youll additionally notice a loss of gas mileage. Its also the reason that a plugged heater core stuck thermostat or air in the cooling system can all cause a cars heater to blow cold.

Hot coolant from the engine passes through a heater core which looks and functions a lot like a small radiator and a blower motor forces air through it. A easy check to see if your heater core is stopped up with dirt on the outside and not letting the air flow thru it freely to transfer the heat to the ducts of the Jeep is to set it on defrost and temp on cold and feel how much air is flowing. Why is my Jeep heater blowing cold air.

88 is the digits test. The heater in my Jeep is blowing cold air. The 14 seems to be the motor itself.

You can lift the hood and look for a large clear tank with a cap and the words max and min on it. My heater core and blower seem to be working fine as it blows hot air from the drivers side primary vent The vent under the radio. But it is not the only cause.

The climate controls may be inoperative. In fact most wont even cycle on without the right amount of refrigerant pressure. I just took it to the repair shop and they told me it was because the heater core was clogged with buildup so the engine coolant was not flowing to the heater core.

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