help. bouncy car

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  • matthugie
    E30 Mastermind
    • Mar 2004
    • 1810

    #31
    Have you checked your rear shock mounts?
    88 325is - S52 powered

    Originally posted by King Arthur
    We'll not risk another frontal assault, that rabbit's dynamite!

    Comment

    • 325isdan
      Advanced Member
      • Jun 2007
      • 190

      #32
      I've taken them out many times. how would I know if there is a problem with them?

      Comment

      • DRTSRFR
        E30 Mastermind
        • May 2008
        • 1836

        #33
        You can swap the springs side to side to check for inconsistencies.
        It's very rare for Eibachs to go out of spec. They are blocked at tthe factory and are garanteed for life not to vary more than 2%.

        Over the last ten years, and having sold 10s of thousands of them, I warrantied three. All were extremely rusty. Yours appear to be reasonably new.
        Suspension tips here...
        http://www.r3vlimited.com/board/album.php?albumid=757

        sigpic

        Comment

        • 325isdan
          Advanced Member
          • Jun 2007
          • 190

          #34
          Thanks I'll give that a shot and I guess if I see that it doesn't change its a for sure sign bushing are binding?

          I will add this car in the past 5 years rarely has been driven maybe only 1 to 2k km a year. not sure if just sitting there has more of a negative affect on springs.

          Comment

          • matthugie
            E30 Mastermind
            • Mar 2004
            • 1810

            #35
            Originally posted by 325isdan
            I've taken them out many times. how would I know if there is a problem with them?
            With the couple sets I replaced it was pretty obvious they were shot, the rubber was worn and cracked, and one was actually starting to tear. If you want to test them just pull the trunk lining and with the trunk open load and unload the rear suspension. They should be pretty solid, so if you see the top of the shock moving around then you should probably replace them (they're pretty cheap).
            88 325is - S52 powered

            Originally posted by King Arthur
            We'll not risk another frontal assault, that rabbit's dynamite!

            Comment

            • 325isdan
              Advanced Member
              • Jun 2007
              • 190

              #36
              they look fine. new almost. but I will add the black part which I guess is the mount. when you press down on say the trunk you can see the mount (black part) move a little bit as if it's moving with the movement of the shock. but the shock is in there solidly.

              Comment

              • 325isdan
                Advanced Member
                • Jun 2007
                • 190

                #37
                Originally posted by matthugie
                With the couple sets I replaced it was pretty obvious they were shot, the rubber was worn and cracked, and one was actually starting to tear. If you want to test them just pull the trunk lining and with the trunk open load and unload the rear suspension. They should be pretty solid, so if you see the top of the shock moving around then you should probably replace them (they're pretty cheap).
                they look fine. new almost. but I will add the black part which I guess is the mount. when you press down on say the trunk you can see the mount (black part) move a little bit as if it's moving with the movement of the shock. but the shock is in there solidly.

                Comment

                • 325isdan
                  Advanced Member
                  • Jun 2007
                  • 190

                  #38
                  Sorry one more question. If one side is at fully low and the other side fully raised does this mean that each spring is functioning at a different spring rate?

                  Comment

                  • DRTSRFR
                    E30 Mastermind
                    • May 2008
                    • 1836

                    #39
                    No. I don't think the springs are your problem. a quick switch will eliminate that as a possibility.
                    Suspension tips here...
                    http://www.r3vlimited.com/board/album.php?albumid=757

                    sigpic

                    Comment

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