Clunking noise from front suspension...

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  • Scott314
    Wrencher
    • Jan 2005
    • 287

    #1

    Clunking noise from front suspension...

    There's a clunking noise coming from the front of my car that has been getting more noticeable recently. It's not necessarily when I'm going over a bump or driving on a rough road. I can just be driving down the highway and hear noises when the windows are down and the heater's off. The noise will go away as soon as I start braking, but there's nothing wrong with the brakes.

    I checked them to make sure the pads were in good condition and all the caliper bolts were tight, which they were. Last time I checked the strut mounts, they looked fine as well. The control arms were replaced a year ago. I'm not really sure what to check at this point.


    My fast says: traction control is for the faint of heart :evil:
  • Jordan
    R3V OG
    • Oct 2003
    • 12907

    #2
    loose gland nut, loose sway bar endlink balljoint, loose control arm ball joints are the most common cause.
    Tenured Automotive Service Professional - Avid BMW Enthusiast

    Vapor Honing & E30 ABS Pump Refurbishment Service
    https://mtechniqueabs.com/

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    • MrK
      Mod Crazy
      • Jan 2006
      • 709

      #3
      Bear in mind that all it takes to screw a ball-joint on a control arm is one solid CRASH into a hole... regardless of when you changed the control arms. The result: clunking.
      This is your M20 on steroids:

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      • Scott314
        Wrencher
        • Jan 2005
        • 287

        #4
        Originally posted by Jordan
        loose gland nut, loose sway bar endlink balljoint, loose control arm ball joints are the most common cause.
        Alright, I'll have to check these tonight and see what I find. As always, thanks for the reply.


        My fast says: traction control is for the faint of heart :evil:

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        • Dave
          E30 RAT
          • Nov 2003
          • 11675

          #5
          I had this problem on my cabby and it ws the sway bar end links. Are you getting any signs of bump steer?
          Current Cars
          2014 M235i
          2009 R56 Cooper S
          1998 M3
          1997 M3

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          • Scott314
            Wrencher
            • Jan 2005
            • 287

            #6
            Originally posted by DaveCN
            I had this problem on my cabby and it ws the sway bar end links. Are you getting any signs of bump steer?
            Actually now that I think about it, yes, I am getting some bump steer. I'm betting that it most likely is a sway bar end link then.

            MrK, I'll check again today, but the ball joints were fine the couple times I've checked them since the noise started occuring (also, I don't remember hitting any really big bumps or potholes. Railroad crossings and manhole covers are probably the worst things I've gone over, save for one large suicidal raccoon...) Thanks for the tip though, I'll go over everything listed in this thread, just to make sure.


            My fast says: traction control is for the faint of heart :evil:

            Comment

            • Dave
              E30 RAT
              • Nov 2003
              • 11675

              #7
              I had no bump steer with the sway bar link being worn. Gland nut maybe??
              Current Cars
              2014 M235i
              2009 R56 Cooper S
              1998 M3
              1997 M3

              Comment

              • Scott314
                Wrencher
                • Jan 2005
                • 287

                #8
                Originally posted by DaveCN
                I had no bump steer with the sway bar link being worn. Gland nut maybe??
                Hmm...I guess we'll see tonight.


                My fast says: traction control is for the faint of heart :evil:

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