TA gearbox locked
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Thread: TA gearbox locked

  1. #1
    Tadpole
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    Default TA gearbox locked

    Hi everybody:

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    while the car is parked in a garage, someone stepped in and played with the lever : now something is broken and there are two selected speeds ?? Please anyone knows how to unlock this.

    Thanks a lot

    Zeque

  2. #2
    Fellow Frogger! Rally's Avatar
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    The problem will be under the dash , get a torch and lie on the floor and look behind the dash.
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  3. #3
    Fellow Frogger! Trading Estate's Avatar
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    The selector rods can get jammed as suggested. Wiggle the tower on top of the gear box if the fiddle under the dash doesn't work. happened to me that it all locked up in Camberwell junction once!
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  4. #4
    Tadpole
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    I disconnected the rods but it still jammed. Is it not dangerous to force or wiggle on the tower? Is it needed to press the clutch or to raise one wheels while doing that?

    >>get a torch and lie on the floor and look behind the dash.

    I have done: I would like to take out the device under the dash to rebuild, but I could not even after removing the nut that holds it. Is it a manual or procedure to remove it?

    Thank you very much fellows







  5. #5
    Fellow Frogger! tractionfan's Avatar
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    You shouldn't be able to change gear in a TA without the clutch being pressed.

  6. #6
    Tadpole
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    Yes, you are right :-) I 'll get a helper to press clutch

  7. #7
    Tadpole
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    Quote Originally Posted by tractionfan View Post
    You shouldn't be able to change gear in a TA without the clutch being pressed.
    OK, I unlock the gears °°

    I am new to TA and I'll look for a TA user manual.

    quote from Wikipedia:"The gear change was set in the dashboard, with the lever protruding through a vertical, H-shaped gate.Because this vertical orientation could have resulted in the car dropping out of gear when the lever was in the upper positions (i.e. second or reverse gears), the gear-shift mechanism was locked when the mechanical clutch was engaged and released when the clutch pedal was depressed."

    Where is physically the lock?

    Thank you again

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  9. #9
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    Default Gear Lock

    Quote Originally Posted by Zeque View Post
    OK, I unlock the gears °°

    I am new to TA and I'll look for a TA user manual.

    quote from Wikipedia:"The gear change was set in the dashboard, with the lever protruding through a vertical, H-shaped gate.Because this vertical orientation could have resulted in the car dropping out of gear when the lever was in the upper positions (i.e. second or reverse gears), the gear-shift mechanism was locked when the mechanical clutch was engaged and released when the clutch pedal was depressed."
    Where is physically the lock?
    Thank you again
    Hi,
    The lock is built into the clutch bellhousing and at the base of the external gearchange mechanism. It can be a bit worn and out of adjustment and so people can possibly force it to move without the clutch being pressed.

    Not sure I totally agree with the reason given for this lock on Wikepedia. I understood it was found to be necessary due to the very unusual flexible mountings used for the TA etc. However not important really

    I see you have been given the reference to a copy of the original factory manual. Note it is in two parts so get both ! The words and the diagrams are in seperate parts !
    Good luck jaahn

  10. #10
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    I should have said: Shane's goodies - Index of /ShaneCD Diagrams are there.

  11. #11
    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by seasink View Post
    I should have said: Shane's goodies - Index of /ShaneCD Diagrams are there.
    Wow ... That stuff is still around. That has to from the early 2000's.
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  12. #12
    Tadpole
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    Hi:Thank you all for the info.I also found this place http://www.ctaservice.se/CTA-Tech.htmI will need to service the selector under the dash. Is it a trick to remove it?

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