REAR end noise after installing spring/shox

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  • BraveUlysses
    No R3VLimiter
    • Jun 2007
    • 3781

    #16
    There is no chance extra camber causes extra noise...stop insisting that it does.

    Comment

    • IronmanE30
      R3VLimited
      • Sep 2009
      • 2121

      #17
      If you are talking about the possibility of the rear wheel bearing going bad then here is a suggestion. When going down the road swerve to the left and right and if the noise increases on one side or the other. If it does than it may be the wheel bearing. You can also jack the car up and try to wiggle the tire to verify the condition of the wheel bearing.

      When you put in the shocks I assume that you replaced the upper shock mounts as well, if not, I had a clunking noise that went away after I replaced the rear upper shock mounts.

      If the axle is rubbing you should be able to see the rub marks on the rear sub frame. If I see what looks like a rub mark I put a little paint or white lithium grease on it drive the car and then check if it is an old rub or a new one. Hope this helps.

      Cheers,

      Jim
      sigpic

      Comment

      • 3bvert
        E30 Enthusiast
        • Jun 2009
        • 1032

        #18
        doesnt that suck
        I had no noise in the back end fo mine either
        completely rebuilt the front, and put new springs and billy sports all around, adn rear shock mounts

        now it is obvious with noise, that I need to do all my rear busings this spring, but with worn shocks , everything just flexed and absorbed noise

        but in your case.....I too suspect a wheel bearing since you said it was a rotational noise, and increases with speed like a rock in a tire. the test desribed above will help deterine wheel bearings, for me , cv joints are more of a visible , hands on and rock it thing

        my first guess would have been a backing plate, but you said you already eliminated that one

        Comment

        • e30s50dan
          R3VLimited
          • Nov 2008
          • 2076

          #19
          Jim. I replaced upper shock mounts and gaskets I checked everthing again after I raised in 10mm. I am just surprised how loud and annoying it is I drove around some Esses yesterday and can hear the noise thru them. It there all the time
          NASA
          BMWCCA member
          PCA member 25yrs




          1991 318IS slick top
          1997 M3 sedan
          2001 325CI DD

          “whoever turns the wheel the least, wins"

          Comment

          • e30s50dan
            R3VLimited
            • Nov 2008
            • 2076

            #20
            now it is obvious with noise, that I need to do all my rear busings this spring, but with worn shocks , everything just flexed and absorbed noise


            Yes thats what I was thinking the noise may have been there before the Installation and now the rear flexed down an inch putting more stress on the control arm bushings hense amplifing the noise to where it's noticeable
            NASA
            BMWCCA member
            PCA member 25yrs




            1991 318IS slick top
            1997 M3 sedan
            2001 325CI DD

            “whoever turns the wheel the least, wins"

            Comment

            • e30s50dan
              R3VLimited
              • Nov 2008
              • 2076

              #21
              Originally posted by BraveUlysses
              There is no chance extra camber causes extra noise...stop insisting that it does.
              ...and why not!!? There is probably 1.5-2.0 deg camber now. Keep in mind these are new but cheap 14 in tires and have a very block tread

              Tire are designed around alott of issues including HARMONICs.

              So when I'm traveling at high speeds you can't hear it I can go 60mph cut the engine off on a straight/smooth road and can hear it but can't feal it
              NASA
              BMWCCA member
              PCA member 25yrs




              1991 318IS slick top
              1997 M3 sedan
              2001 325CI DD

              “whoever turns the wheel the least, wins"

              Comment

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