While there are a variety of reasons your Jeep Grand Cherokee heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
You asked, how do I fix the heat in my Jeep Grand Cherokee?
- Drain the cooling system.
- Loosen the hose clamp using pliers.
- Remove the bolts on the thermostat housing with a socket and ratchet.
- Remove the thermostat.
- Remove the rag.
- Install the thermostat housing and bolts.
- Close and tighten the radiator drain plug.
- Turn the engine off.
Also, why won’t my jeep heat up? While there are a variety of reasons your Jeep Wrangler heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
In this regard, why is my Jeep Grand Cherokee blowing hot air? An A/C blowing hot air has several possible root causes. There could be an issue with your compressor clutch, a blown fuse, a leak, or a clog in the expansion valve. What can cause an A/C system leak? Over the years, the rubber seals and gaskets in your Grand Cherokee’s A/C system naturally degrade.
Considering this, how do I test my blend door actuator?
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How do you unclog a heater core?
Why am I blowing hot air out the drivers side and cold out of the pass side?
Blend door actuators are the most common reason for the car air conditioning to blow cold air on one side and hot air on the other. They can be diagnosed with an advanced scan tool. … If it does not move with the adjustments and commands, there is a problem with the blend door actuator and it will need to be replaced.
How do you calibrate the blend door actuator on a 2011 Jeep Grand Cherokee?
Blend Door Actuator Motor Calibration Remove the fuse and wait 1-2 minutes for any capacitive charges in the system to dissipate. Replace the fuse. Turn the ignition key to the on position. You can now watch the motors move as the system goes through the calibration routine.
What is a C heater blend door actuator?
The blend door actuator is a small electric motor in your car that controls your car’s climate control system. It looks like a small plastic box with a few plastic gears on the inside. … When you turn the dial to increase or decrease the temperature or flow of air, the signals go through the blend door actuator.
How do I fix my Jeep heater?
Why is my jeep only blowing cold air?
Your Jeep’s thermostat is a valve that helps regulate engine temperature. … When the valve sticks open, then the engine runs cooler than normal and should cause the check engine light to illuminate. This will usually only allow the heater to blow out cold air as well, and you’ll additionally notice a loss of gas mileage.
Why is my heater blowing cold air in my Jeep?
Reason #1: Not Enough Coolant During the winter when you crank up your heat, the coolant is brought over from the engine to the heater core that then blows warm air into your car. … If cool air continues to blow out, the first thing you should check is your coolant level.
How much does it cost to fix AC in Jeep Grand Cherokee?
On average, the cost for a Jeep Grand Cherokee Car AC Repair is $245 with $112 for parts and $133 for labor. Prices may vary depending on your location.
How do you put Freon in a 2009 Jeep Grand Cherokee?
Why is my car air conditioning blowing hot air?
The most common cause of an AC system blowing warm air is a lack of refrigerant, though, you may also have a problem with your condenser. Other possibilities include a faulty compressor, broken cooling fans, or an issue in your electrical system.