Having got a replacement pump, the same thing occurs - whirring and clicking but no unlocking action. With the air lines removed there was no evidence of vacuum/pressure. So i put the original CLP back in and same result occurs except that after a few tries, the pump didnt respond at all to the key fob. Also, window functionality was lost at the same time which, according to the wiring diagram, runs off the same module contained in the CLP body. An interesting (perhaps significant?) issue is that the window control wiring uses the same 12pin connector on the CLP body which takes a feed from an antenna which (i am assuming) is for the fob signal. All relevant fuses have been checked.
I am stumped so, any ideas?
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
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