What should I do if my Jeep Grand Cherokee blend door is not working?
Start the GC and turn on the AC. You should be able to manually switch between heat and AC by turning the axle with your fingers. If the motor is spinning and not stopping, or the blend doors are not switching between AC and heat, your blend doors are broken and the Heater Treater Blend Door Fix is the answer.
What happens when the re Circ fails on a Jeep Grand Cherokee?
When the re-circ door fails, air enters through the external vent and blows straight out the internal intake. It’s like having a window open all the time. The second most common fail is for the door to break off completely and fall to the bottom of the box, blocking the fan intake.
How can I tell if my re-Circ door is broken?
With the AC on, hold down the AC and Re-circ buttons simultaneously, and turn the drivers side temp control one click to the right. Fail codes should flash on the screen if there are any problems. If your AC codes read any combination of 19,20,51,52…this indicates that the re-circ door is broken.
What should I do if my blend door is not working?
If the motor is spinning and not stopping, or the blend doors are not switching between AC and heat, your blend doors are broken and the Heater Treater Blend Door Fix is the answer. If everything is working properly, the blend doors are not the problem. In that case, you’ll want to check the re-circulation door below.
Start the GC and turn on the AC. You should be able to manually switch between heat and AC by turning the axle with your fingers. If the motor is spinning and not stopping, or the blend doors are not switching between AC and heat, your blend doors are broken and the Heater Treater Blend Door Fix is the answer.
Why did my a / C fail on my Jeep Grand Cherokee?
Failure of your heat and/or A/C in your Jeep Grand Cherokee is due to the failure of your blend door. Heater Treater replaces the cheap, plastic blend door with steel.
How can I tell if my Jeep Grand Cherokee has a problem?
The simplest way to diagnose the problem is to turn the AC on with the fan blowing at the highest possible setting. On the outside of the car, check the air flow into the intake vent between the hood and windshield, between the windshield wipers. When the re-circ button is off, you should feel/hear air being pulled into the system.
How to turn on heat in Jeep Grand Cherokee?
Check for a broken limit pin on the axle and check that you can turn it ~50 degrees of movement between the two stop points. Start the GC and turn on the AC. You should be able to manually switch between heat and AC by turning the axle with your fingers.