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Thread: Gearbox/ap clutch issues??

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    Spanner Monkey lukem30's Avatar

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    Gearbox/ap clutch issues??

    I noticed that when was was changing gear that the gearbox was crunching very slightly in every gear, I tightened up the clutch cable until all play was removed and still no improvement. I thought that the clutch (ap 4 paddle) might have been worn out so I got it out today for inspection. As I didn't fit the clutch I'm not sure how much meat they are supposed to have, I have taken a few pics, do you think it needs re-lining?
    Also the clutch paddles don't seem to be using all the available space on the flywheel and the clutch cover friction surfaces, do I need a bigger clutch?
    And lastly can anybody tell if the cover plate an ap item?

    Or am I looking in the wrong place, I did notice that the gearbox oil was very low and quite black, could this be causing the slight crunch?
    The car is a mk2 escort with an xe and a straight cut type 9.

    Sorry for all the question but this is all new to me.

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    World Champion Decade Plus User alladdin's Avatar

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    Re: Gearbox/ap clutch issues??

    A worn clutch won't cause a crunch, that's a lack of release or a box issue. On a high idle does it go in and out of gear easy at standstill ?

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    Spanner Monkey lukem30's Avatar

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    Re: Gearbox/ap clutch issues??

    It's fine at standstill, only crunches when moving.
    btw are the pictures displaying ok as I can't see them?

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    World Champion Decade Plus User alladdin's Avatar

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    Re: Gearbox/ap clutch issues??

    Good for me.
    Looks quite worn but not clear on phone tbh. And sounds like a possible box issue. New oil may help.

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    Re: Gearbox/ap clutch issues??

    Quote Originally Posted by lukem30 View Post
    It's fine at standstill, only crunches when moving.
    btw are the pictures displaying ok as I can't see them?
    Nope - can't see diddly!

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    Spanner Monkey lukem30's Avatar

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    Re: Gearbox/ap clutch issues??

    That's really odd that some can see the pictures and some can't, not sure how to make them work for all?

    What sort of box issue do you think it is? Surely all the synchros won't go at the same time.

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    Re: Gearbox/ap clutch issues??

    Hi Lukem30. How low was the oil? Change the oil an fill some proper oil in it. Crunching while shifting when the car is rolling points at syncro or a clutch that not opens properly. Could also be flywheelbearing, but would be difficult to put in gear standing still.

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    Spanner Monkey lukem30's Avatar

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    Re: Gearbox/ap clutch issues??

    Thanks all for your input. There was about half a litre that came out of the box, it was black like old engine oil. Do you think it is worth getting the clutch re-lined (if you can see the pics).

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    Mechanic

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    Re: Gearbox/ap clutch issues??

    Fresh box oil of the proper grade. Wrong grade oil will cause crunching

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    Racer Decade Plus User sambo's Avatar

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    Re: Gearbox/ap clutch issues??

    what about the release bearing? Whats that like? I know that there are 2 types of faces available.

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