HVAC Air Control Problem On Chrysler
2007 Chrysler PT Cruiser air direction control will not turn all the way down to panel. When the knob is turned down it instantly snaps up to bi-level or floor like its spring loaded. All the other modes work fine.
How To Repair:
There are few possibilities:
The mode door is the door in the heater box that controls where the air is directed. It is connected to the control head on the dash through a cable.
The problem could be
- In the control head itself,
- It can be with the cable, or
- The door itself could be stuck in the heater box.
Suggested Troubleshooting To Try:
You will have to check each possibility to confirm what is causing this problem.
The first thing you'll need to do is remove the control head and pop the cable off, then try turning the knob. If it still has the same issue then the problem is in the control head, which is unlikely but possible.
From there you would need to remove the glovebox to access the mode door linkage through the opening.
To Remove Mode Door Cable:
On the heater box at the left side of the glovebox area you'll find the cable connected to an arm. Pop the cable off at the arm and try to move the door by hand. If it won't move then the door is stuck in the heater box and the box will need to be disassembled.
If you're able to move the door ok then the cable would be the issue.
Inspect The Glovebox:
It's also possible that something from the glovebox has fallen behind and is has lodged in the linkage and not allowing the door to move.
Getting this possibilities checked will help.
Thanks.
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