CX ventilation flap clicking
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Thread: CX ventilation flap clicking

  1. #1
    Fellow Frogger! marc61's Avatar
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    Default CX ventilation flap clicking

    I've started to get a click click click noise when the inside air temp is set below about 21C. The speed of the clicking slows down if I put the fan on full and goes away if I turn the temperature up. It's coming from the front of the centre console on the passenger side, so have taken the trim panel off but am not much wiser.

    Guess it must be the temperature flap motor trying to make the flap go somewhere it doesn't want to, but not sure why that should have started. Would anyone know if this is a sensor fault or a mechanical one?

    Thanks

    Marc

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    Cheers, Marc.

    1987 CX GTi T2 Maikonics
    1972 SM 2.7 carb
    1972 DS21 EFI

  2. #2
    Fellow Frogger! Jinandfonic's Avatar
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    Try this: http://www.oocities.org/marcboncz/ci...tenr.html#Vent
    Great thing about the CX there is always someone in the world that has had the fortitude to share their frustrations
    Citroen C5 II manual '05; C4 Exculsive '07; Citroen CX2200 Pallas '76; CX2400 C-matic Pallas '78

  3. #3
    Real cars have hydraulics DoubleChevron's Avatar
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    wedge a small peice of wood between the bottom of the motor and the heater box. This should apply more tension to the plastic gears meshing.

    That's probably all you need to do

    seeya,
    Shane L.
    'Cit' homepage:
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  4. #4
    Fellow Frogger! marc61's Avatar
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    Thanks, no luck though. Its the motor on passenger side of the tunnel with the plastic gear wheel and flap internal to the big black box. Have tried moving the motor a bit but no effect, will need to get inside the black box.

    Is it best accessed from the engine side, or it a case of having to take the dashboard out to get to it?
    Cheers, Marc.

    1987 CX GTi T2 Maikonics
    1972 SM 2.7 carb
    1972 DS21 EFI

  5. #5
    Real cars have hydraulics DoubleChevron's Avatar
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    What year is your CX? You should be able to just remove the carpet sides from the heater box and find the mixer motor (from memory).

    seeya,
    Shane L.
    UFO likes this.
    'Cit' homepage:
    Citroen Workshop
    Proper cars--
    '85 Series II CX2500 GTi Turbo I
    '63 ID19 http://www.aussiefrogs.com/forum/showthread.php?t=90325
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual

  6. #6
    UFO
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    CitroŽn Tragic UFO's Avatar
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    I agree with what Shane said. IIRC it was one of the early things I fixed on our CX, and was pretty easy to do. Relative of course
    Craig K
    2009 C5 HDi Exclusive

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