Can a blend door fail on a limited?
The blend door failure is not as common on the Laredo as the Limited, although it will happen, it just takes longer. Single Zone refers to one A/C and heat control for the entire vehicle. If there are separate temperature controls for either side of the vehicle, then you have a Dual Control Blend Door and need to follow those instructions.
Why is My Blend door on my Grand Cherokee not working?
just quit producing heat one day – you most likely suffer from blend door failure. on where you have the temperature setting knobs positioned. These little plastic flap doors hide behind your glove box in your A/C system’s housing, and move up and down to pass heat or cold air as you command. only option.
How to diagnose single zone blend door?
Diagnosing the Single Zone Blend Door: You can physically check the operation of the blend doors by fully swinging out the glove box. There are two removable rubber stops at the top of the box opening and in early models, a dampener arm on the right side of the box (they took them out in later models, and I’d suggest that you do the same).
Why is my Blend door not adjusting the temp?
If you are experiencing erratic behavior from the temp control it is usually a fault with the feed-back strip (position sensor) in the actuator. This can be tested with a scan tool (dealer). When the temp is stuck on cold remove the glove box and check the operation of the actuator. A new blend door actuator is $50 online.
What is the fail code for a blend door?
54 and 56 are the most common fail codes and indicate a broken blend door. The system may still be marginally functional, but it will totally break soon. If any of the codes are present, the Heater Treater is the solution. We have three different kits for repairing the dual control.
How to diagnose the single zone blend door?
Diagnosing the Single Zone Blend Door: 1 You can physically check the operation of the blend doors by fully swinging out the glove box. 2 With the glove box open, you can see the blend motor to the left of the opening. 3 The motor is held in place with two Phillips screws. 4 Start the GC and turn on the AC.
When do you know something is wrong with your blend door actuator?
Noise: If you’re hearing a sort of droning or squeaking repetitive sound from somewhere within your dashboard around the Center area, in the more or less general area that you are control knobs for the HVAC system are located, that’s a good sign there’s something wrong with the blend door actuator.
just quit producing heat one day – you most likely suffer from blend door failure. on where you have the temperature setting knobs positioned. These little plastic flap doors hide behind your glove box in your A/C system’s housing, and move up and down to pass heat or cold air as you command. only option.