Help - Fitting a 1981 R18 Driveshaft
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  1. #1
    Tadpole bmthissik's Avatar
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    Default Help - Fitting a 1981 R18 Driveshaft

    Hey just wondering if anyone can tell me how to put one in its the right hand side driveshaft, we have tried to get it in but it wont go in, so we must be doing something wrong. or even if someone could come help? im in Wendouree, Ballarat Vic

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  2. #2
    COL
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    Default R18 Driveshaft

    Hi bmthissik

    What part of installing the drive shaft can't you get in. Its basically the reverse of removing the drive shaft
    Regards Col

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  3. #3
    1000+ Posts Wildebeest's Avatar
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    Is there a master spline [larger] involved here??

    Although I can't recall this during my brief sortie with the "Regie".
    I do remember that it was necessary to line up the splines otherwise the roll pins wouldn't fit.

  4. #4
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by COL View Post
    Hi bmthissik

    What part of installing the drive shaft can't you get in. Its basically the reverse of removing the drive shaft
    There is an orientation that needs to be observed,which becomes important when you re fitt the roll pins, however anyone who has done the job with murphy supervising will tell you that the drive shaft will just as happily go on the wrong way as it will the correct way.
    Use some grease on the spline, Copper grease from vauge memory.

    Jo

  5. #5
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    If you have trouble installing the drive shaft into the hub i.e its too tight to slip easily into the hub then you will need a tool that screws onto the threaded end of the shaft and pulls it thru the hub. Cleaning the shaft's splines and lubricating may get you home.

    At the gearbox end there is a hole in the driveshaft and a hole in the splined gearbox output shaft. It is offset. This means there's a right and wrong way for it to go on. If does not properly align - you will know this because try as you might you can not get the roll pin back in - you will need to take the drive shaft off and rotate either the output shaft or the driveshaft 180 degrees and try again.

    In an attempt to prevent oil leaking from the roll pin hole it is common to face the open side of the pin away from the gear box and to use a sealant when installing the new roll pin.

    Also a good idea to lubricate the outside of the driveshaft so that it slides thru the seal easily. That said, its a good idea to replace the seal while the driveshaft is out, too. These seals, particularly if they're old usually dont respond well to the too-ing and fro-ing associated with replacing a driveshaft.

  6. #6
    Tadpole bmthissik's Avatar
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    yeah im pretty sure i had it all right, its just it wont go in to the hub properly, it seems to be a few inches longer but im pretty sure it isnt, we have tried nearlly every possible way but we went to a driveshaft place and they said i need to compress the springs and stuff but im not sure on how to fit the new one, the old one was a bit easier to actually take out because it snapped near the hub which i dont know how but yeah it happened

  7. #7
    COL
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    Default R18 Driveshaft

    Hi bmthissik

    Are you having trouble getting the drive shaft into the hub or trouble putting the upper ball joint back together
    Regards Col

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  8. #8
    Tadpole bmthissik's Avatar
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    it was getting the lower ball joint back on to the bolt, like just under the driveshaft we did have it in but couldnt get the bolt back through so we had to take it back out

  9. #9
    COL
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    Default R18 Driveshaft

    Its the upper ball joint that you should undo not the lower. You will not be able to get the lower ball joint back in its hole with the drive shaft in place. you will need a crow bar to lift the upper wish bone to get the upper ball joint in as decribed in the repair manual. Hope this helps.
    Regards Col

    1973 Renault R12 Station Wagon
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  10. #10
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by bmthissik View Post
    it was getting the lower ball joint back on to the bolt, like just under the driveshaft we did have it in but couldnt get the bolt back through so we had to take it back out
    put a jack under the joint and lift up.


    Jo

  11. #11
    Tadpole bmthissik's Avatar
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    hey thanks, i got it in two days ago.
    there was 2 bolts on top that i had to un do first then i turned the steering and the ball joint popped out, lucky i got it fixed because my commodore broke down the day i fixed it hahaha

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