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Thread: Double cardan shaft upgrade

  1. #1
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    Double cardan shaft upgrade

    After the rebuilt shaft in our D2a failed (again) last week (rear UJ got a small amount of play in it, and it looks like the pin / socket between the 2 joints has got too much play in to rebuild again) I have been looking at options. (car has now had 2 rebuild of the joints in its life - most recent one lasted 30km) car has done 99k km now.

    I looked at the possible options.

    Exchange rebuilt shaft - $260

    Not really an option as my existing one was dubious as an exchange due to the central pin/socket wear

    Rebuild of my shaft with new Joints - $210 from MR automotive. - concerns over central joint again the issue with this.

    New std shaft - $700 or so

    Non greasable - price was a rough average of the 2 places I spoke too. Would be another $250 to have it rebuilt with greasable joints

    Tom Woods D2 shaft from US - $389 + $205 P+P

    This is where I was heading after speaking to Tom last week a couple of times via email - excellent to deal with. As I needed it quite quickly he also gave me the option of buying one from his supplier over here (or he would happily supply direct if I wanted)

    Tom Woods D2 shaft via Procomp (Jeep Konnection) - $680 delivered.

    I went with this option ordering it at the end of last week. It arrived and is now fitted. (They had 7 in stock which I was suprised by!)

    here are a few pics as a comparison between the one I removed and the new one.

    As arrived: (only bad point is paint job - which is a bit poor)



    Comparison of sizes - DC end - The new one has 10mm wider yokes / larger joints - The central joint bit is also greasable on this one which the LR one even when rebuilt isn't



    Comparison of sizes - UJ end - The new one has 10mm wider yokes / larger joints



    Fitted:


  2. #2
    Bearman's Avatar
    Bearman is offline TopicToaster Gold Subscriber
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    Just wondering if you checked the length of the new shaft compared to the old one before fitting as it looks to have a fair bit of spline exposed on the slip joint.
    Cheers......Brian
    1985 110 V8 County
    1998 110 Perentie GS Cargo 6X6 ARN 202516 (Brutus)

  3. #3
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    Quote Originally Posted by Bearman View Post
    Just wondering if you checked the length of the new shaft compared to the old one before fitting as it looks to have a fair bit of spline exposed on the slip joint.

    it's only another 150 to get that right, don't worry!
    Safe Travels
    harry

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    Hi Bearman, yes I did. The shaft compressed fully was slightly shorter (about an inch I think) than the original, but the splines are very long. I haven't had time yet, but will get it on full travel and check to ensure there arent any issues.

    Anyone got any idea what the actual change in length would be in the arc of movement?

    Rgds

  5. #5
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    Pete, that IS a good price. The length movement during the Arc of travel with standard shocks is minimal, something in the order of 40 to 50mm IIRC
    BTW, the Cats on the V8 D2's are the main reason these joints fail early IMO. ALL of the low km ones I have done have been V8's

    JC

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    Quote Originally Posted by justinc View Post
    ALL of the low km ones I have done have been V8's

    JC
    Not mine, it's been through three in a short time and is a TD5.

    Jeff


  7. #7
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    Quote Originally Posted by justinc View Post
    BTW, the Cats on the V8 D2's are the main reason these joints fail early
    JC
    well, why the cats?
    what do they do toroot the uni?
    Safe Travels
    harry

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    Pete, did you price up/consider the Hardy Spicer HD alternative at all ?

  9. #9
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    Quote Originally Posted by Jeff View Post
    Not mine, it's been through three in a short time and is a TD5.

    Jeff

    ...Yeah, but YOU must drive/ thrash different, hey!



    JC

  10. #10
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    Quote Originally Posted by harry View Post
    well, why the cats?
    what do they do toroot the uni?
    Harry, It gets VERY hot in close proximity, Cats exceed 600Degrees at times. The overall heat from the engine bay and exhaust does BAD things to undercarriage components too.

    There is very little room for cool fresh air around the front shaft.

    As you can imagine, baked grease is a pretty poor lubricant Coupled with the inability to pump fresh grease in there is the problem in a nutshell

    JC

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