Strange Harmonics from THR bushings...

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  • M3 Ryan
    Site Sponsor
    • Oct 2003
    • 2298

    #1

    Strange Harmonics from THR bushings...

    I am getting a high pitched buzz/whine from the front end at 93mph. Never happened before the bushings, now it does it on command, engine speed not related...
    Any ideas? anyone else get this?
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  • Dave
    E30 RAT
    • Nov 2003
    • 11675

    #2
    Call treehouse and talk it through with them. Maybe they can give you some help. They are helpdul guys.
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    • ilia
      Advanced Member
      • May 2005
      • 194

      #3
      I am willing to bet that because there is so much less material to provide damping, you're gonna hear more flaws. It's not because of the bushings, per se, it's just they're revealing the problem more, cause it's transmitted directly through them and then through the chassis. Take a peek at your wheel bearings, and make sure your wheels are balanced.

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      • ilia
        Advanced Member
        • May 2005
        • 194

        #4
        What's treehouse's number? They never pick up the number on their website. Or better yet, does anyone know how hard they torque their bolts on their CABs?

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