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Thread: Td5 harmonic balancer weirdness

  1. 30th December 2016, 06:46 PM #1
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    Td5 harmonic balancer weirdness

    Howdy
    Today I removed the harmonic balancer on my Td5 disco to remove and replace the timing cover. I made a tool to bolt to the balancer and sit underneath the chassis rail, whacked my 30" half inch drive breaker bar on it and gave it a heave and much to my surprise it undid. Very easily. I was quite shocked. When I removed it I noticed this odd plastic bit on the bolt, almost like the bolt has gone into a plastic bushing or something. Any ideas?


    On another note I have some odd damage to the top of number two piston that doesn't look live valve marks...
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  2. 30th December 2016, 06:54 PM #2
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    That is locktite on the bolt my friend
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  3. 30th December 2016, 06:55 PM #3
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    You sure? It seems for all the world like solid plastic
    The Phantom - Oslo Blue 2001 Td5 SE.
    Half dead but will live again!

    Nina - Chawton White 2003 Td5 S
    Slowly being improved

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  4. 30th December 2016, 07:01 PM #4
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    Quote Originally Posted by Disco Muppet View Post
    You sure? It seems for all the world like solid plastic
    Well i have seen it like that many a time but then again what would i know as my car never breaks down
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  5. 30th December 2016, 07:09 PM #5
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    Didn't break down preemptive surgery before the viscous fan bearing fails and the plastic timing guides disintegrate
    The Phantom - Oslo Blue 2001 Td5 SE.
    Half dead but will live again!

    Nina - Chawton White 2003 Td5 S
    Slowly being improved

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  6. 30th December 2016, 07:13 PM #6
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    Quote Originally Posted by Disco Muppet View Post
    You sure? It seems for all the world like solid plastic
    IT looks a lot like loctite to me, but the wrong type for the application If someone has used one of the mild bearing mount loctites (about the right colour) thats how they form up and come out. The bearing mount loctites have good resistance to compression type loads and hold extremely well when they setup correctly (very fine tolerances with smooth surfaces) they dont work so well in threads as a locking goop. If you have a worn thread they will work as a form a thread and provide better purchase than a typical thread locking loctite. (but still wont give you any massive advantage in bolt retention)

    Its possible that someone has used a filler or mounting agent to do a temp fix on the crank or the balancer (I know guys who use the bearing mounts to locate woodruff keys) but have been sloppy in the application and its gotten onto the bolt.
    Dave

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  7. 30th December 2016, 07:16 PM #7
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    I know the vehicle has had a new Harmonic balancer just before I purchased it but everything I find on the car seems to indicate they weren't up to speed on working on land rovers. This amount was the only bit that came out, and was maybe 1/3rd of the way along the bolt. I suppose the only thing to do is stick the new bolt in and see what happens
    The Phantom - Oslo Blue 2001 Td5 SE.
    Half dead but will live again!

    Nina - Chawton White 2003 Td5 S
    Slowly being improved

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    You worry me sometimes Muppet!!

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  8. 30th December 2016, 07:28 PM #8
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    Quote Originally Posted by Disco Muppet View Post
    Didn't break down preemptive surgery before the viscous fan bearing fails and the plastic timing guides disintegrate
    Yes i am up to speed on your preemptive concerns
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  9. 31st December 2016, 07:24 AM #9
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    Quote Originally Posted by rangieman View Post
    Yes i am up to speed on your preemptive concerns
    I've lost interest now the rebuild has lost a cylinder
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  10. 31st December 2016, 07:55 AM #10
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    Quote Originally Posted by Pedro_The_Swift View Post

    I've lost interest now the rebuild has lost a cylinder
    I feel your concern is 3 cylinder,s short and 2.1 cubic inch,s missing
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