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Thread: D1 300 Tdi Clutch Woes !

  1. #1
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    D1 300 Tdi Clutch Woes !

    D1 300Tdi R380

    Im having some clutch issues , The problem being after coming to a stop at the end of the f/way i went to press the clutch in and the pedal went half way down and then stopped as if it had stopped against something hard and will not go to the floor !

    The clutch fork seems to be fine as i have a inspection plate in the bell housing (home made) , The clutch master and slave cyclinder were replaced less than 12 months ago with new ones .

    The clutch will not select gears with the motor running , If you turn the motor off select gear restart no probs and can change gears with a bit of effort when driving.

    Now i have just noticed the brake fluid is slightly discoloured in the resovour so im guessing the slave might be the problem , What would others theory of the cause be ? Am i on the money

  2. #2
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    Well drained some brake fluid out of the slave and is not discoloured as first thought

    Can engage gears with motor running but realy have to push very hard on the clutch pedal , The pedal will still not go to the floor ,

    The clutch fork has not punched through on the pivot nor does it look like it will any time soon

  3. #3
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    Have someone stomp on the clutch pedal while you check to see if the slave cylinder piston has run up against the end of its travel. I'm thinking thrust bearing holder has broken.

  4. #4
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    Quote Originally Posted by bee utey View Post
    Have someone stomp on the clutch pedal while you check to see if the slave cylinder piston has run up against the end of its travel. I'm thinking thrust bearing holder has broken.
    Well done that as i said i have a inspection cover that i put in and can see the fork and thrust bearing all seem fine

  5. #5
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    I know that you can see the fork move, but how far does it move. May I suggest that you remove the slave cylinder and inspect the end of the fork where the pushrod fits. At least you then can rule out some things.

  6. #6
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    end float

    Hi

    As unlikely as it may be, do a check for excessive crankshaft end float.

    Cheers Arthur

  7. #7
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    pushrod adjustment

    Try adjusting the M/C pushrod first, as I have pulled a perfectly good clutch and found nothing wrong.

    My best guess at the sudden lack of travel in my case, was that the slave cylinder pushrod wasn't properly seated into the dimple in the end of the fork.
    I was traveling up through the Pelham Tier (Southern Tasmania) at the time, when the corrugations' must have shook the push rod back into place leaving the adjustment too short.
    The clutch went from working perfectly with full pedal, to half pedal, but I was able to keep driving.
    At the time I had thought that the fork had punched through at the pivot, but like I said, no problem was found when I pulled the clutch down.

    Cheers Arthur

  8. #8
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    Quote Originally Posted by langy View Post
    I know that you can see the fork move, but how far does it move. May I suggest that you remove the slave cylinder and inspect the end of the fork where the pushrod fits. At least you then can rule out some things.
    That is on the list time permiting could not do it today in case i got stranded

  9. #9
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    Quote Originally Posted by wrinklearthur View Post
    Try adjusting the M/C pushrod first, as I have pulled a perfectly good clutch and found nothing wrong.

    My best guess at the sudden lack of travel in my case, was that the slave cylinder pushrod wasn't properly seated into the dimple in the end of the fork.
    I was traveling up through the Pelham Tier (Southern Tasmania) at the time, when the corrugations' must have shook the push rod back into place leaving the adjustment too short.
    The clutch went from working perfectly with full pedal, to half pedal, but I was able to keep driving.
    At the time I had thought that the fork had punched through at the pivot, but like I said, no problem was found when I pulled the clutch down.

    Cheers Arthur
    The slave push rod is seated in the dimple i can see that

  10. #10
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    The breville sring in the pressure plate may have failed, though very unusual to do so, can you see where the throwout bearing touches the centre of the breville spring, if so get someone to activate the clutch while you observe, hope that's not the problem, Regards Frank.

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