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Thread: Is my diff bad?

  1. #1
    Junior Member CrewChief's Avatar
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    Default Is my diff bad?

    Im very limited to my knowledge about cars since i just only recently got an interest in them when i bought my hachi. My car makes this loud high pitched whining noise in the rear when i get it up to about 30 mph, it gets a little quieter when i get it up to about 65 mph but its still there. i was just wondering if this could be my LSD getting worn out or if its a wheel bearing going bad. Any thoughts or opinions are greatly appreciated.

  2. #2
    Veteran LittleRedSpirit's Avatar
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    Its probably worn gears and bearings. More likely in the centre. You need the attention of a good diff shop.






  3. #3
    Junior Member CrewChief's Avatar
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    Alright thanks, the guy i bought it from was convinced it was a wheel bearing for some reason.

  4. #4
    Veteran drift kid's Avatar
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    Wheel bearing will br more of an on/off slight grinding noise that will get faster as you accelerate

  5. #5
    Noooob
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    And if you corner it will load up the bearing too and should be louder depending on which way you turn.
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