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Thread: Terrafirma rear diff guard

  1. 2nd July 2016, 02:59 PM #1
    DiscoKym
    DiscoKym is offline Master
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    Terrafirma rear diff guard

    I fitted the above a while ago. There started a rattle at the back of the Disco that bugged me and found the top plate mountings cracked through.

    I fitted it with the vibration weight in place, I'm not sure this was correct?? Especially as another brand says remove it.

    As no parts are available I will get it welded by a mate.

    Should I remove the weight next time? I have read on here they are not really necessary and could the extra thickness be my problem? I figure it's there for a reason.

    Terrafirma supply no instructions, so not much help there.

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  2. 2nd July 2016, 08:37 PM #2
    schuy1 Guest
    Not sure that the dampener weight would have caused the cracking. More likely the so so construction of Terra Firma . The weight removal seems to be a preference, some say they notice a difference in ride quality and others note no difference at all.
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  3. 5th July 2016, 09:54 AM #3
    DiscoKym
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    I wasn't thinking the weight was an issue but the thickness of the bracket.

    The bracket is about 10mm thick and might be changing the way it fits around the diff.

    I found the front one moving so packed it with rubber.
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  4. 5th July 2016, 07:53 PM #4
    schuy1 Guest
    ahh oki. so you fitted the bash plate tabs over the dampener plate? Yes, quite possible the design is such that it sits directly on the diff housing , it may have put some stress on the tabs, although you would think it to be a trivial amount? unless you are dropping the vehicle onto rocks and such and the plate is taking the brunt?
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  5. 7th July 2016, 08:20 PM #5
    DiscoKym
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    Bashing the plate on anything hasn't happened yet.bb

    It has done a few rough dirt roads though.
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  6. 31st July 2016, 03:05 PM #6
    DiscoKym
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    Well a welder mate TIG welded the bracket back together.

    He talked about heating and cooling it slowly to re-soften the metal from the fatigue. Sounded all professional.

    This time I removed the harmonic weight before fitting the diff guard. Seems to fit better.
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