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So just eased the CCU out and when pressing recirc the vents move but only 5mm or so, I guess it should it be more than that? Also the vacuum arm does not move which ties up with you earlier comment.
If your CCU is original to the car, you probably should have a vacuum operated resirc flap.
The CCU output drives the solenoid valve in the luggage compartment, under the windscreen. This valve gets its vacuum from the engine, and supplies this to the actuator when activated. Vacuum leaks are common, especially at the inlet rubber neck hose at the valve.
Test by setting the temperature to maximum, no A/C on. Press the resirc button, and the valve should activate. You may hear it clicking from the cabin. See this page for details on the valve, pic below sho the valve inlet and outlet vacuum hoses.
Are you asking me where Paul190's resirc mechanism is? T
Hi Tore,
I was seeing if there is a way by looking at the function of the recirculation actuator or lack thereof on Paul's car he can verify that the "L" shaped missing lever is missing by design or it just became detached. You answered the question through the CCU part numbers above.
Thanks,
Andy
If your CCU is original to the car, you probably should have a vacuum operated resirc flap.
The CCU output drives the solenoid valve in the luggage compartment, under the windscreen. This valve gets its vacuum from the engine, and supplies this to the actuator when activated. Vacuum leaks are common, especially at the inlet rubber neck hose at the valve.
Test by setting the temperature to maximum, no A/C on. Press the resirc button, and the valve should activate. You may hear it clicking from the cabin. See this page for details on the valve, pic below sho the valve inlet and outlet vacuum hoses.
Cheers,
Tore
Note though that the OP has a recirc flap servo arm missing from a botched stereo installation so this vacuum connection now useless.
The recirc flap servo was only available with the complete flap unit which is NLA new. And IIRC was over $1500 last time I checked when it was available last year.
The recirc flap servo was only available with the complete flap unit which is NLA
From comparing Paul's supplied photo and the one above it seems more than one component of the actuator mechanism is missing on Paul's car. He may need to go to a dismantler to get the needed parts. The fact that several parts are missing suggests that they may have never been present. Paul should consider pulling his CCU . read the part number off of it and look to Tore's reply above as to if it was ever connected in the first place.
Both the L shaped lever as well as the fork piece connecting it to the flap are missing. Porsche didn't have a case where the recirculation flap was not operative.
My bet is when those yellow wires were placed for the stereo the parts were either removed intentionally or broken.
If the stereo installer is known they should be questioned about it.
With some luck maybe there is a used flap from one where with a defective servo diaphragm required replacement or the part can be found in a VW or Mercedes product using this servo.
Thanks for responses, the parts are not there as I have had the centre console out to remove a troublesome Clifford alarm. I managed to source all the missing parts including clips for £20 which was a result.
Can’t really go back the the stereo installer, it was fitted at the dealership when the car was new.
Have a good weekend
Cheers
Paul
04-03-2020 | 07:08 AM
