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Thread: Transfer rubber mounts

  1. #1
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    Transfer rubber mounts

    Hi all

    Just want to run one by you all. I have always had a vibration in the engine- trans area at around 2000 - 2200.
    I am thinking it could be the transfer case mounts. now when we installed the Isuzu into the RRC we used Isuzu engine mounts, but retained the V8 transfer case mounts. The Transfer is mounted with one rubber mount either side in a ''V'' configeration.. I have noticed on my diesel 4x4 work ute it has only one trans mount and its in the centre and is very flexible.

    So should an Isuzu set up be very flexible or a bit ridgid.

    Your thoughts and experiances and set ups may save me a lot of trials.

    Justin

    ps i am leaning towards the flexible option.
    Last edited by DRanged; 21st January 2008 at 05:59 PM. Reason: spelling

  2. #2
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    justin, i think if you set up a single mount the torque would tear it out, even if you set it up so it was central to the load.
    if you went for a flexible mount it would want to be one of the modern type mounts where the mounting would still carry the case even if the shock mount failed.
    maybe those circular mountings where the outer is a circular bush and the engine / case attaches to a bush in the centre of that, can show you what i mean in the proton tomorrow if you like. if you're going to be home.
    Safe Travels
    harry

  3. #3
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    mounts

    Quote Originally Posted by harry View Post
    justin, i think if you set up a single mount the torque would tear it out, even if you set it up so it was central to the load.
    if you went for a flexible mount it would want to be one of the modern type mounts where the mounting would still carry the case even if the shock mount failed.
    maybe those circular mountings where the outer is a circular bush and the engine / case attaches to a bush in the centre of that, can show you what i mean in the proton tomorrow if you like. if you're going to be home.
    Will give you a call and catch up Harry as I will be in Lismore all tomorrow.
    would like to have a look at the set up.

    Justin

  4. #4
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
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    The 110 installation retains the same transfer case mounts as the V8s - at least the position is the same and they look the same. As for vibration, Isuzu engined 110s can be easily identified without looking at the engine, by the loose rivets!

    The Isuzu engine has a number of advantages - smoothness is not one of them.

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  5. #5
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    Vibrations

    Quote Originally Posted by JDNSW View Post
    The 110 installation retains the same transfer case mounts as the V8s - at least the position is the same and they look the same. As for vibration, Isuzu engined 110s can be easily identified without looking at the engine, by the loose rivets!

    The Isuzu engine has a number of advantages - smoothness is not one of them.

    John
    Good point but I have had it smoother in the past, I wonder what the 110 engine mounts are from????

    Justin

  6. #6
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    I have some industrial AV mounts which I use at both engine mounts and both transfer case mounts.
    Same envelope as the rover V8 ones (3" round, 1.5" thick with a M10 stud each side) but much softer.

    They cost about $20 each I think, from TWL.

    It lets the engine and gearlevers wobble around at idle without ratting the rest of the vehicle.

  7. #7
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    Twl

    Quote Originally Posted by Dougal View Post
    I have some industrial AV mounts which I use at both engine mounts and both transfer case mounts.
    Same envelope as the rover V8 ones (3" round, 1.5" thick with a M10 stud each side) but much softer.

    They cost about $20 each I think, from TWL.

    It lets the engine and gearlevers wobble around at idle without ratting the rest of the vehicle.
    Thanks mate, what does TWL stand for.

    Justin

  8. #8
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    TWL = Transport Wholesale Ltd, a NZ truck parts supplier. But any industrial or automotive parts supplier should be able to get some. I'll try to throw up a picture later.

  9. #9
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    Justin, my 110 3.9d has the std mounts and has an engine rpm related vibration at around 2000rpm. Mounts are all in good order so I won't try to fix it, just adjust speed when necessary to saty off the resonant point.

    JohnS
    (khunmoo)

  10. #10
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    Here are two of them with a 3/8" ratchet for scale.
    Attached Images Attached Images

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