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Thread: Strange rattle sound coming from transfercase/gearbox area

  1. #1
    Join Date
    Oct 2021
    Location
    nsw
    Posts
    2

    Strange rattle sound coming from transfercase/gearbox area

    Hi every one.

    I just picked up my 6x6 97 perentie a few days ago, real beast of a machine it is, how ever, I have a mechanical grimlin already, on the drive home I started to hear a rattle sound, at first I thought that was normal, I thought no more of it and continued driving, it wasn't until a few days later when I took her for a spin it got really bad, at around 40-60kph the rattling sound becomes almost as loud as the engine! this wasn't happening when I first test drove it, so today I got under her, checked the transfer gearbox, yep got heaps and heaps of oil, seems clean too, checked the drive shafts they seemed secured in, bolts all look tight, ill try and upload an audio clip of this at of some point, bit bumed out was looking forward to taking her for a long drive, could any one give me some insight in what this could be? it sounds similar to the sound when you release the clutch pedal in neutral, but doesn't go away.
    the previous owner was meticulous in caring for it, sadly he passed away.

    thanks in advanced.

  2. #2
    Join Date
    Jan 1970
    Location
    Brisbane, Queensland
    Posts
    5,592
    You could try tightening all the gearbox mounts. Mine became loose and resulted in a terrible grinding noise.
    L322 tdv8 poverty pack - wow
    Perentie 110 wagon ARN 49-107 (probably selling) turbo, p/steer, RFSV front axle/trutrack, HF, gullwing windows, double jerrys etc.
    Perentie 110 wagon ARN 48-699 another project
    Track Trailer ARN 200-117
    REMLR # 137

  3. #3
    Join Date
    Mar 2008
    Location
    Outer Sydney
    Posts
    456
    Thinking outside the square a bit - problem with exhaust? (loose baffle in muffler, exhaust pipe hitting part of chassis, exhaust leak etc). Faulty exhausts can often make sounds you wouldn't normally expect. The sound can also travel anywhere along the pipe making it sound like it was coming from somewhere it isn't.

    Edward

  4. #4
    Join Date
    Mar 2021
    Location
    Newcastle
    Posts
    9
    Quote Originally Posted by I Love My Landy! View Post
    Thinking outside the square a bit - problem with exhaust? (loose baffle in muffler, exhaust pipe hitting part of chassis, exhaust leak etc). Faulty exhausts can often make sounds you wouldn't normally expect. The sound can also travel anywhere along the pipe making it sound like it was coming from somewhere it isn't.

    Edward
    I had this exact fault a couple of weeks ago it drove me nuts trying to find it. The rattle would only happen in a certain rev range so long story short the muffler completely failed one morning I purchased a second hand one from gumtree and no more rattle.

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