Why is my heat not working in my 2002 Jeep Liberty?

The most common reasons a Jeep Liberty heater isn’t working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.

Why is my Jeep Liberty blowing cold air?

Low Coolant Level The coolant (usually a mixture of water and antifreeze) in your engine doesn’t just work to keep the engine from overheating: It’s also the source of heat supporting the heating system. If there isn’t enough coolant in your system, the heater core will blow cold air into your car.

Where is the blend door on a 2002 Jeep Liberty?

The blend door actuator for a 2002 jeep liberty is located behind the passenger side dash.

Why is my Ford liberty not heating up?

While not having enough coolant may make your engine run hotter, it can also cause your Liberty to not be able to create enough heat. Is there isn’t enough line pressure, due to low coolant, then the heater core will not be able to get any coolant itself.

What does the thermostat do on a Jeep Liberty?

The job of your Liberty’s thermostat is to regulate the temperature of the engine. It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up. Sometimes when a thermostat goes bad, it stays stuck open.

What to do if your heater stops working on a Liberty?

If the heater has stopped working in your Liberty, this process has failed in one way or another. A word of caution: If there is no coolant in your overflow, you can refill it by adding more to the overflow reservoir. There is almost never a situation where you would need to take the radiator cap off of the radiator to add coolant.

Why is my car’s heat blowing cold but not hot?

If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself. At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core.