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Thread: 300Tdi clutch dramas

  1. #1
    Join Date
    Jan 2009
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    Wheelers Hill, Vic
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    300Tdi clutch dramas

    well, had my second proper breakdown tonight.

    was stopped at a set of lights, went to take off and the clutch felt rough as guts, like pressing on gravel and couldn't get into gear.
    turned the car off, got it into low range and was able to roll the car enough to get into first. crept into a service station and popped the hood...

    Still plenty of juice in the master cylinder, so ruled out a busted hose/seal etc..
    When the car was turned off, the clutch pedal felt normal. but with the engine running, it went rough. (i.e. with load on it) (although since getting it home, the clutch feels smooth with engine on as well. Likes it just took a bit to properly bust through the fork!)
    Clutch itself still works, and haven't had any slipping issues, so ruled out clutch plate/pressure plate.

    Limped home in low range, hazards blinking away!
    Did some searching and it looks like i've fallen victim to 300TDi clutch fork She's done just over 205,000kms so it's about right on time!

    I'm really not looking forward to dropping that gearbox out, so what things can you check for externally? Anything in the slave cylinder?
    It sounds like the pivot bolt can also fail, can you access this with the gearbox still on?

    Thank god it just happened in suburbia 10mins home, and not in the middle of knowhere, 5 hours from home!

    Anyhoo, just thought i'd share my adventure for the night!

  2. #2
    Join Date
    Apr 2007
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    Prospect SA
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    My clutch started to shudder quite badly, was a nightmare to drive.
    I contacted last owner and he had a new full clutch kit put in not long ago.
    Well after much research it was down to the flywheel not being machined.

    Gearbox out and new kit in plus a machining on flywheel.

    Problem sorted finally but after another $1k spend.

    So, whatever you do get the job done right the first time.
    My advise anyhow.

  3. #3
    Join Date
    Apr 2009
    Location
    Yeppoon, QLD
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    Rob, you are right, its a nightmare pulling the gearbox out.
    But if it has done over 200,000km, it will be due for a new clutch anyway and rear main seal and spigot bush while you're at it.
    As big guy says, always get the flywheel machined (ground actually).
    There is some debate as to whether you remove the engine or the gearbox. Either way you'll be on your back undoing the bell housing bolts.

  4. #4
    Join Date
    Dec 2006
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    It wont change the outcome too much but if you pull the slave off (two bolts - quick and easy) you can poke around and feel the fork. Will be able to at least establish if it has punched the rod through or collapsed the pivot.

    S

  5. #5
    Join Date
    Jan 2009
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    Wheelers Hill, Vic
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    ugh, gonna be a fun weekend

    rear main seal already leaks a bit, seeps out the wading plug hole so getting the box out is probably a good thing anyway.

    with the forks, are there any stronger aftermarket ones around yet?
    Or are most people still just buying a replacement and re-enforcing it themselves?

  6. #6
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    Oct 2009
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    Hunter Valley
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    If your going to do the rear main oil seal, pull the engine and remove sump and rear main bearing cap and change the T seals in the cap, they are prone to leak as well.

  7. #7
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    Jan 2009
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    to anyone thinking of doing this job themselves, one word of advice;

    DON'T

    take it somewhere and pay for the pro's to do it. I'm sure wishing i did

    that is all

  8. #8
    Join Date
    Apr 2009
    Location
    Yeppoon, QLD
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    Ah, come on Robzilla. please tell....
    What dramas did you get yourself into???

  9. #9
    Join Date
    Jan 2009
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    Wheelers Hill, Vic
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    front tailshaft bolts - two man job
    lower clutch slave cylinder bolt. cracked two sockets and twisted two extenders before die grinding the bugger off. a 10mm head on a large washer surface area, stupidest thing i'd seen....

    ...until i started on the flywheel nuts. the two top ones alone only took a day to snap loose...slowly working on the rest now.

    a whole weekend and the bellhousing is still firmly secured to the motor. the usual cut knuckles, squashed fingers, enough dirt in my eyes to build some bike jumps etc...

    although i did have a chuckle at LR's instructions, direct from the workshop manual:
    34. Remove bell housing nuts
    35. Withdraw transmission

    "easier said than done" was never so fitting

  10. #10
    Join Date
    Apr 2009
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    Yeppoon, QLD
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    Ah, yes. Well I've just done mine. In the process of getting it back together now.
    The flywheel bolts were so tight I had a pipe on the end of my torque wrench that I had to prise with my foot, lying sideways under the car! Incredibly tight. Loctite is wonderful stuff

    PS it pays to replace the tailshaft bolts with new high tensile ones. That way the endges won't round off...

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