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Thread: Brake orb thingy

  1. 6th December 2014, 06:33 PM #1
    Deanslost
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    Brake orb thingy

    Hi guys,
    1985 3.5 V8 county, I have been having problems with my brakes since i brought the old girl. Bad enough that I wouldn't allow anyone else to drive it. I always put it down to being an old land rover and with leaking swivel hubs thought that there was massive room for improvement.
    I do what I can myself time permitting and I have a great (although not land rover experienced) mechanic for when I can't.
    I recently brought a swivel hub kit, new front disks, Pads and braided brake lines to fix up the front end. I could never seem to string together enough time to do the job so over to my mechanic who did it on the cheap for me between other jobs.
    When picked the old girl up the brakes were better but not what I had expected.

    Today After playing in some mud I heard a vacuum leak, Keep in mind I have not heard this leak before.
    upon inspection I found this
    https://drive.google.com/file/d/0B3p...ew?usp=sharing
    https://drive.google.com/file/d/0B3p...ew?usp=sharing


    It is an orb shape valve? Teed in before the brake booster. The vacuum hose was connected to the wrong port. apon changing to the port labeled vac I know have brakes.
    Can some one tell me what this orb does.... and please don't say flux capacitor
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  2. 6th December 2014, 06:55 PM #2
    chopper
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    I to have a V8 County and I don't have an orb. It is most likely a vacuum reservoir to add to the booster.
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  3. 6th December 2014, 07:26 PM #3
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    justinc
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    That is a vacuum reservoir for the dash vent controls for the factory a/c. With a sizeable leak from it you will have quite poor booster vacuum.

    Jc
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
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  4. 6th December 2014, 07:42 PM #4
    Deanslost
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    Thanks Justinc,
    The old county looks to have originally had A/C. I plan on eventually reinstating it. Being a fridgy it won't be too hard if I can shoe horn the correct missing parts together.
    I assume there should be a vacuum line running off of the other side of it ?
    If so can you or anyone else tell me where it should be running to?
    There is not currently a line loose that I can see from initial inspections but if I know where to look then I might find it.

    Thanks
    Dean
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  5. 7th December 2014, 10:08 AM #5
    Deanslost
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    All fixed,
    I had another look in the daylight and found a stray line running through the fire wall. connected it to the vacuum reservoir and hey presto we have brakes again.
    I have to say now that the booster is working the braided break lines appear to have made a huge difference. Quite happy with the brakes now.
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  6. 8th December 2014, 10:05 PM #6
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    2 rocks
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    Dean
    No, not a flux capacitor but the Oscillation Overthruster..

    I've wondered about how good the seal is on this thing. My County's brakes have always been very ordinary. Up till recently they were bearable, but with a lot of "hiss" when on the pedal, now they hiss even more and the pedal sinks further.

    I had assumed the booster needed replacing and was by-passing, but the pedal isn't hard.

    I've also had an issue with Maxi Drive locking but not lighting the telltale in the cab. The MD has it's own vacuum reservoir but hey, all the vacuum has to come from somewhere...

    Now there is a hose that goes into the spherical reservoir but it just pushes in and isn't that firm, could this be causing the low vacuum?
    Cheers
    Mike
    '00 D2 Td5 'Alice'
    '03 V6 Freelander 'Phoebe'
    '04 Td4 Freelander 'Harry'
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