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Thread: Gearbox Change 300 tdi Discovery

  1. #1
    Trainee cresta's Avatar
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    Default Gearbox Change 300 tdi Discovery

    Hi Everyone,
    I cooked my 95 300 tdi last week, so i thought oh well head off skim etc. start stripping at the weekend. Then i chance across a lovely Lady with a 96 tdi with a duff gearbox. Seems she was driving along last Monday and it started to make bad noises, but she drove till it won't drive anymore (only has 4th gear now) She is pee,d off to say the least cos she had just just spent £800 on welding for the MOT. Says to me give me £100 and you can have the car.
    Needless to say the money came out of my wallet at lightning speed and now i own two duff discoveries
    Now to my questions.
    How difficult is it to change an R380 box ( 2 to remove ) ?
    How long will it take to do ?
    Any special tools needed ?
    Thanks in anticipation
    Cresta

  2. #2
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    Default Re: Gearbox Change 300 tdi Discovery

    Quote Originally Posted by cresta View Post
    Hi Everyone,
    I cooked my 95 300 tdi last week, so i thought oh well head off skim etc. start stripping at the weekend. Then i chance across a lovely Lady with a 96 tdi with a duff gearbox. Seems she was driving along last Monday and it started to make bad noises, but she drove till it won't drive anymore (only has 4th gear now) She is pee,d off to say the least cos she had just just spent £800 on welding for the MOT. Says to me give me £100 and you can have the car.
    Needless to say the money came out of my wallet at lightning speed and now i own two duff discoveries
    Now to my questions.
    How difficult is it to change an R380 box ( 2 to remove ) ?
    How long will it take to do ?
    Any special tools needed ?
    Thanks in anticipation
    Cresta
    To take the box out you will need to, undo the bellhousing nuts/bolts that bolt to the engine, remove the gear change linkage, speedo cable, handbrake cable, difflock linkage and the mounts that hold it onto the chassis.

    On defenders theres a removable cross member on the chassis, but i'm not sure about discos

    I don't think you need any special tools though

  3. #3
    Defender of the Forum. TEMPL4R's Avatar
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    Default Re: Gearbox Change 300 tdi Discovery

    If it's only got 4th gear, the layshaft bearings will have collapsed.

    You can get a box cheap enough.

    Chris
    ........Such are they, whom God chooses for Himself, and gathers from the furthest ends of the Earth, servants from among the bravest, in Israel, to guard watchfully and faithfully, His sepulchre and the Temple of Solomon, sword in hand, ready for battle.
    YCHJCYA2PDTHFH and PhD Hons Drvl Cleckheaton and Grand Master of the Forum Lodge of Enlightenment

    Everyone is entitled to their opinion, the trouble is, yours is ridiculous.

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    Consultant Swingletree's Avatar
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    Default Re: Gearbox Change 300 tdi Discovery

    If you can get them round to mine I'll do it for you in exchange for some beer tokens.


    Creator of the YCHJCYA2PDTHFH club, just ask me,

    WOOF, WOOF WOOF WOOF, I'm hungry.

  5. #5
    Trainee cresta's Avatar
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    Default Re: Gearbox Change 300 tdi Discovery

    Thanks for that info, i was puzzled that it still had a working gear

  6. #6
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    Default Re: Gearbox Change 300 tdi Discovery

    4th is straight through, locking the input shaft to the main output shaft, all the rest use the layshaft.

    Chris
    ........Such are they, whom God chooses for Himself, and gathers from the furthest ends of the Earth, servants from among the bravest, in Israel, to guard watchfully and faithfully, His sepulchre and the Temple of Solomon, sword in hand, ready for battle.
    YCHJCYA2PDTHFH and PhD Hons Drvl Cleckheaton and Grand Master of the Forum Lodge of Enlightenment

    Everyone is entitled to their opinion, the trouble is, yours is ridiculous.

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    Trainee cresta's Avatar
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    Default Re: Gearbox Change 300 tdi Discovery

    THanks for the info. Now its time to crawl under and get greasy.
    Geoff

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    Default Re: Gearbox Change 300 tdi Discovery

    good luck with that then!!!
    luke.
    soon to be defender 90 project


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