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AC temperature flap servo motor for 4 zone climate control CTT

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My car has been throwIng error 2600 With message 'Temperature flap servo motor rear right'. It is a 4 zone climate car. Recently found out that if I have heat blow into the car, the rear center vents do not blow warm air out of them, even if I put whole system in mono mode (entire car vents blow same temp air out of them).

So I suspect there is a problem with a flap controlling how much warm air is getting into rear of the car.

Based on that, have some questions:

1. Is that temp controlling flap located at front of car or in center console facing back seats?

2. If front, how hard to get to?

3. If rear, how hard to get to?

4. Anyone know p/n & price for the component failing? Really interested in resolving after Christmas break.

My car is 05 CTT.

Appreciate help. Thanks.

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The temp control servos are located on the rear ac unit located in the rear left luggage component as Clarksong has noted,

Getting to the right servo should be easy once you pull the left side lining of the cargo off, as opposed to the left servo, you have to unbolt the ac unit and tilt it inboard to get access.

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  • 1 month later...

I hate being the bearer of bad news, but to remove the driver side trim panel covering the 4-zone rear zone AC unit, you essentially have to remove the entire rear compartment lining as well as the rear seats.  I had to replace my PDC control unit after it failed, and it is located at the bottom left of the rear AC unit.  Replacing it was easy; it was removing all of the trim and the seats that was the PITA.  Here's a link with some pictures when I did the repair.  Looks like I didn't write down all of the steps to get the trim out. http://rennlist.com/forums/porsche-cayenne-forum/785774-park-assist-control-module-replacement.html

Edited by spooltime
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...you're not a bearer of anytHing bad at all. If you can give hints on where to start, overall process and potential pitfalls, I'll greatly appreciate. Maybe in the mean time someone will post up some diagrams where this can be isslustrated and all will be great. How long did it take you to take trim apart? Thank you again.

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