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Thread: GQ clutch issue

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    GQ clutch issue

    hi all, the old gq has an issue. When driving for a while, pedal rises and goes hard until eventually clutch wont disengage. She has a new master, slave and hose and ive bled the crap out of it and also sent to a mechanid for a shot of bleeding, i dont think its a bleeding issue. Any tips? cheers

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    sorry, its a 4.2 injected petrol...

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    Expert luvpsi's Avatar
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    im having a similar problem with my GQ TD42 clutch it fine but sometimes the clutch seems to go soft and engages pretty much on the floor and when i take my foot right off let it compltely rise it goes fine again i have bled it and changed fluid and still does it my master and slave cylinders are not leaking so im not sure what it is

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    Expert Richo460's Avatar
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    next time it happens, see if you can get someone to check underneath and see if the clutch fork is moving or not, that might give a better indication of a problem.
    If you going through hell...Keep going

    GQ wagon locked - lifted - 33's, 02 SS ute, XB coupe 460bb, KTM530

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    ok mate, will do . Cheers

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    Administrator AB's Avatar
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    x2 on checking the fork underneath for movement. I had similar issues above and it turned out the fork was slightly bent causing restriction...Easy fix!

  8. #7
    Patrol Freak
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    Another thing to look at is the freeplay in the master cylinder make sure the piston is coming all the way back
    .
    I have seen this sort of thing on bikes over the years from the wrong lever being used it causes the brakes to eventually lock up.
    Last edited by 97_gq_lwb; 13th May 2012 at 05:47 PM.

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    I have the same problem with my TD42

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    Patrol God threedogs's Avatar
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    You havn't dropped a spring off the pressure plate have you that makes'em spongy
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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    First question, did all this happen when you replaced the master cylinder etc? If so I would be looking at the free travel between the booster & master cylinder. Also look at the free travel between the pedal rod & booster. There must be clearance between all.

    Next one, when the pedal goes hard, try cracking the bleeder and see what happens.

    It appears to me that you have a booster/master cylinder problem if this only started after replacing parts.

    You will also find that the Patrol's and 99.9% of other vehicle's pressure plate do not have springs in them, they have a diaphragm. The springs are found in the clutch plate to take up the shock loads that are applied during operation.

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