Name the 505 part! And what does it do?
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  1. #1
    Fellow Frogger! sideways_505's Avatar
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    Default Name the 505 part! And what does it do?

    So what is this and what does it do. It's mounted in the drivers side suspension tower, the pipe that comes out of the top part of it runs along the fire wall towards the inlet manifold. I don't know where it's meant to go and someone has stuffed a small piece of wood into it. So, should I leave it as is or is it meant do connect to something?

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    Hayden
    Attached Thumbnails Attached Thumbnails Name the 505 part! And what does it do?-kbvkhvgjvhgjuhg.jpg   Name the 505 part! And what does it do?-bnhjbhbjhgvj.jpg  

  2. #2
    Fellow Frogger! Doush_504's Avatar
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    I THINK it has something to do with the A/C, raises the idle a bit when the compressor engages.
    Chadi

    1982 504 SR white manual sedan with A/C (257 000 Km)
    2012 308 1.6 VTi Vapor Grey manual H/B (35000 Km)
    1994 405 1.6 white manual sedan (208 000 Km)
    1992 605 SV24 (91 000 Km)
    2005 406 2.0L automatic (Replaced with a 2013 C5)
    1983 505 GR white manual sedan with A/C (170000 Km)

    All since new


  3. #3
    1000+ Posts catshamlet's Avatar
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    Quote Originally Posted by sideways_505 View Post
    So what is this and what does it do. It's mounted in the drivers side suspension tower, the pipe that comes out of the top part of it runs along the fire wall towards the inlet manifold. I don't know where it's meant to go and someone has stuffed a small piece of wood into it. So, should I leave it as is or is it meant do connect to something?

    Thanks

    Hayden
    You're a pipe short.
    The pipe in your pic goes in your right ear. There should be another pipe to go in your left ear, the other end of which goes to your wallet, via the loud pedal. The harder you press the more it sucks. That isn't a wooden plug, it's earwax from the previous owner who presumably had more money than sense.

    Ever helpful,

    Mike.
    Started out with nothing, still got most of it left.

  4. #4
    WLB
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    What is it Mike?
    Is it an early version of one of those miracle magnetic fuel molecule realigners?

  5. #5
    1000+ Posts robmac's Avatar
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    Quote Originally Posted by sideways_505 View Post
    So what is this and what does it do. It's mounted in the drivers side suspension tower, the pipe that comes out of the top part of it runs along the fire wall towards the inlet manifold. I don't know where it's meant to go and someone has stuffed a small piece of wood into it. So, should I leave it as is or is it meant do connect to something?

    Thanks

    Hayden
    Looks like aircon idle up. The solenoid valve coil is operated with the aircon compressor clutch.

    There should be a port on the air manifold the connect to the other end of the tube which is blocked off.

    The carby models work a bit differently, similar solenoid valve, but this time it "switches" manifold vacuum to operate a bellows arrangement that acts on the throttle butterfly. This is called a throttle nudger

    In both cases the aim of the excercise is to increse engine revs if the engine is idling, when the compressor is running to keep a constant idle RPM.

    Some cars have a similar arrangement for power steering as well.

    These devices only work when the engine is at idle.

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