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Old 03-03-2010, 12:21 AM   #1
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Drainage pipe / Central locking problems

Hi,
I have been having problems with my central locking. the passenger door will not lock, the central locking button on the dash board does not work. When I use the only lock on the car (drivers door) I have to old the key in the lock position for a while, the car horn sounds twice and the drivers door will lock, however the passenger side remains unlocked.
I have tried moving the passenger lock with a screw driver and it all works ok.
I also noted a wet passenger footwell. After looking in this forum I understand that that the central locking control unit is placed under the passenger seat. So I am assuming this getting wet is probably the cause of the door malfunction. I plan on removing the passenger seat, drying out the unit and hoping it will function properly.

Regarding the wet passenger foot well, I have checked all my drainage points on the car, I have found the passenger side front (uk car- so left side of car when sat in vehicle) drainage pipe has been pushed down into the body of the car and is no longer attached. Can someone please tell me how I can retrieve this and put the grommet/pipe back in its correct location.

Does anyone also have any ideas as to how to fix the central locking problem, should taking the seat out and blasting the unit with a hair dryer not work?

Cheers
Paul.

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Old 03-03-2010, 06:13 AM   #2
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Glad you mentioned that it was a UK vehicle...

... because instinctively I would have said that the CLU is under the driver's seat
I have had some luck with wet CLU, in bringing them back to life.
Remove the seat and disconnect and remove the CLU box.
Open the CLU and take out the printed circuit board (PCB).
Put the PCB in a plastic zip-lock bag or in a shallow pan and pour in 1 litre of isopropyl alcohol.
Shake so that all parts of the PCB are immersed in the alcohol.
After a few minutes, remove the PCB from the alcohol and let dry.
The alcohol will draw out the water and then completely evaporate, leaving a dry PCB.
Reassemble and good luck.
This works depending on how long the CLU was exposed to water and possible corrosion.
Happy Boxstering,
Pedro
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Old 03-03-2010, 06:24 AM   #3
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Fantastic, thanks for the advice, I shall give it a go.
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Old 03-03-2010, 07:24 AM   #4
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Make sure you use isopropanol from a paint store and not rubbing alcohol from the chemist which contains quite a bit of water - the stuff you're trying to get rid of.

Cheers!
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Old 03-03-2010, 07:41 AM   #5
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Many thanks, will do.

Any ideas on how to retrieve the drainage pipe?

If I dont reconnect the drainage pipe will the footwell still get wet or does the water drain to ground through the grommet hole without the hose connected?

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