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Thread: Big Black Sphere thing in engine bay of D1

  1. 23rd August 2013, 01:27 PM #1
    Kevin B's Avatar
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    Big Black Sphere thing in engine bay of D1

    Hi,

    Next to the power steering reservoir is a black ball a vacuum pipe goes from it to the Plenum and wire go to the ecu I presume, what does it actually do?, I was looking at the vacuum pipe from it and have found that someone before me has put a cable tie on it rather tightly in what looks liks an attempt to block it, any idea why this would be? And what effect it would have

    Thanks
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  2. 23rd August 2013, 03:05 PM #2
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    Vacuum reserve for the cruise control I believe.
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  3. 23rd August 2013, 03:42 PM #3
    Kevin B's Avatar
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    Hmmmm.... I have early 93 D1 no cruise control..
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  4. 23rd August 2013, 03:58 PM #4
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    Heater vent controls?

    Edit: Or heater core value? Something heater or air con related.

    - Justin

    '95 Disco 300TDI - sold
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  5. 23rd August 2013, 04:54 PM #5
    Boony73 Guest
    I don't recall seeing one in my V8's do you have a photo? Some one may have retrofitted one for an aftermarket cruise at some stage or to fix a vaccum problem elsewhere.
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  6. 23rd August 2013, 05:35 PM #6
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    Looks like this
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  7. 23rd August 2013, 05:38 PM #7
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    Petetheprinta
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    Ballcock for on board toilet??
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  8. 23rd August 2013, 05:49 PM #8
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    Quote Originally Posted by Petetheprinta View Post
    Ballcock for on board toilet??
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  9. 23rd August 2013, 06:18 PM #9
    Pitbull Guest
    Looks like the heater control vacumn ball which is fitted to vr vs commodores. Does it have GM or the holden logo on it?
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  10. 23rd August 2013, 06:40 PM #10
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    do you have maxi-drive difflock?, if so that would be the vacuum tank.
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