Why is the heat in my car only working on one side?

Why is the heat in my car only working on one 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 I calibrate my Jeep blend door actuator?

Blend Door Actuator Motor Calibration Move the key to the off position. Open hood (bonnet for the RHD guys) and locate fuse #15 in the fuse box next to the battery. Remove the fuse and wait 1-2 minutes for any capacitive charges in the system to dissipate. Replace the fuse.

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 much does it cost to replace a blend door actuator?

Blend Door Actuator Replacement Cost The blend door actuator usually costs between $100 – $300 depending on the car’s make and model, before labor costs. On average you can expect to pay around $150 for the actuator itself.

Why is only one of my vents blowing cold air?

This situation can be caused by a bad blend door (also called air mix) actuator, a broken or binding blend/air mix door, broken linkage to the blend/air mix door, or a faulty HVAC control head or wiring harness.

Does a blend door actuator need to be calibrated?

Air Door Actuators Cables were used in older models to control mode and blend doors. These were replaced with vacuum motors and electric actuators. As they wear, the endpoints change, or the plastic gears inside the actuator break and strip. When replaced, they typically require calibration.

How long does it take to fix a blend door actuator?

Expect the replacement work to take one to two hours, including testing.

Can I drive with a bad actuator?

You can keep driving if the magnetic device inside the actuator is failing.

Why are my vents blowing cold air when the heat is on?

Clogged air filters could be causing cold air to blow out of your vents. A dirty air filter can block airflow over your furnace’s heat exchanger, which can cause it to overheat.

What happens if there is not enough return air?

If there is not enough return air available, your HVAC system will not heat or cool properly. If not enough air is brought back, your HVAC system will not be able to keep up with temperature demands. In some cases, two returns may be necessary to provide enough return air.

What causes dual zone AC on Jeep Grand Cherokee?

Jeep Grand Cherokees with dual climate control (for the AC / Heater system) that have incorrect air temperature blowing on either the passenger or driver’s side is usually one of two things. One of the blend door actuators (motors), or the the dual zone blend door assembly could have a broken door.

Is there heat on the passenger side of a jeep?

Passenger side & rear were toasty warm. I have a limited with the dual zone climate control. I turned the heat on & off, switched from defrost, to blend, to floor, to mixed, hot to cold, etc. Nothing worked.

Where is the AC on a Jeep Grand Cherokee?

1. Blows hot on drivers side with AC on. 2. Blows hot on passengers side with AC on. 3. Blows cold on drivers side with heat on. 4. Blows cold on passengers side with heat on. 5. Hear blower but no air blows through any vents.

Is there full heat on the passenger side?

No heat on passenger side full heat on drivers side? I have cold air blowing out my passenger side vents and heat blowing out my drivers side. This is with the heat on.