Peugeot 504 manual hard to change gears
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  1. #1
    Tadpole
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    Default Peugeot 504 manual hard to change gears

    When changing gears 1 to 2nd It is hard to change with clutch fully down.

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  2. #2
    Budding Architect ???? pugrambo's Avatar
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    could be a few things

    1 oil level in box
    2 clutch disengaging fully
    3 synchros on their way out
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  3. #3
    Demannu-facturing! Demannu's Avatar
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    Low oil won't make it harder to change gears, if anything it will make it easier.

    But your other suggestions are both very likely 'rambo.

    To check if the clutch is dragging, see if it grinds when you put the car into reverse. There is no synchro on reverse in a BA7/4, so they are very prone to crunching or grinding going into reverse if the clutch is dragging or not disengaging properly.

    More likely though is that the synchros are wearing out. Very common, and first and second are usually the first to go.

    If you want to get a little more life out of the synchros (or at least make them work a bit better until they finally die completely), drain the oil and replace it with automatic transmission fluid. It won't hurt the bearings or gear faces, but it lubricates the sliding surfaces less (ie the synchros), giving them more grip and allowing them to better engage the gear.
    Scotty

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  4. #4
    1000+ Posts Beano's Avatar
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    Quote Originally Posted by pugrambo View Post

    2 clutch disengaging fully
    Pugrambo actually means "clutch NOT disengaging properly".

    Demannu's test is the first thing I would do. If it's not disengaging properly, as it's a a 504 the first thing I would suspect:

    1) the rod going between the upper part of the pedal and the clutch master cylinder. It wears through where it joins the pedal (and the hole in the pedal arm where it goes through wears into a larger hole, too).
    Get under the dash with a torch and see how much play there is.

    2) the clutch hydraulic seals in either the master cylinder and/or slave cylinder may be worn out. A relatively easy fix, though there is a trick to bleeding the system after you replace the seals. It's not the same as bleeding the brakes.

  5. #5
    Fellow Frogger!
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    clutch fork split or bent , thus limiting throw ?

  6. #6
    1000+ Posts Bad Bertie's Avatar
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    Gear linkages as in my 404 ute?

  7. #7
    1000+ Posts Beano's Avatar
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    Get your ducks lined up in a row....from the most common and easy-to-check causes, to the more obscure and difficult to check.

    If it's wear in the push rod and hole in the pedal arm, you have to take them out and get them welded up again. Just scribe lines in the pedal before you weld it, or you won't know where to redrill the hole. And the position IS critical.

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