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Thread: noisy trac-loc rear

  1. #1
    Junior Member rollerpig82's Avatar
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    Default noisy trac-loc rear

    Is it normal for Trac-loc rear dif to make a rubbing noise when making slow, tight turns on dry pavement. It's a Dana 35 if that matters. Any advice would be appreciated. Thanks.

  2. #2
    Recovery Whore RescueJP's Avatar
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    it is normal for a lunchbox locker to make noise when turning. it will like click or chirp. try a thicker synthetic gear oil it will help
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    Hardcore Net Guru Off Road Concepts's Avatar
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    Trac-Loc also has another name, but if you mean the OEM version, I wouldn't even consider it a lunchbox locker. You changed any fluids from stock and did it just start getting noisy on you?

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    Recovery Whore RescueJP's Avatar
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    I completly forgot they had limited slips from factory.
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    Junior Member rollerpig82's Avatar
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    It is the OEM dif. I checked the oil and its full. Iwas going to changing it but the guy at Autozone said it took a special gear oil that he did not have. It's not really a ratcheting sound it almost sounds like the tires are rubbing the fender.

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    Try changing the fluid and adding the limited slip additive before going to crazy with it. I always like to start cheap, then move on.

    I also hate Auto Zone, try either Kragen or Advanced, whatever is in your area.
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    Senior Member CutterN55's Avatar
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    If it's making a rubbing sound and you've looked at fluids and this is a new sound, you might take a look at your bearings, but it only happens when turning?
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    On your SIX! highlandercj-7's Avatar
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    I've seen the carrier berring(s) go out on them and cause this. I have a trac loc here that looks like someone machined the berring jurnal half way off the carrier on the ring side. I wondering how anyone didn't notice this before it got that bad.
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    Junior Member rollerpig82's Avatar
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    Thanks for the advice. I will try changing the oil and see if that helps.

  10. #10
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    If it is the factory limited slip you need need the additive and for a couple extra $ you can't the right stuff from any Jeep/Dodge/Chrysler dealership. If the fluid was changed and they put in regular diff fluid, synthetic or not the limited slip will not slip causing what you are describing....

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