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  • Front suspension "popping sound"

    This is prooving a bit hard to solve. The front left makes a "pop" when it hits short sharp bumps such as pot holes or corrigations. Seems to be coming from the front strut. Have inspected all the front sway bar rubber bushes and they seem fine. Lower strut bush looks good. I fear the noise could be coming from the top of the strut asembly. Can't replicate the noise by bouncing the car and only does it with certain types of bumps. My mechanic was asked to investigate a couple of services back and couldn't find anything wrong :roll:

    Struts are Bilstein. Springs are tallest Ridepro in the lowest circlip position. These are about 30000k old. Keen to hear from others that might have had the same noise happening. Just a bit worried it might be something else like ball joints or wishbone bushes or something?? Got a big trip coming up and keen to get it sorted.

    Cheers

    Mark

  • #2
    Re: Front suspension "popping sound"

    Mark,

    Don't know for sure, but could it be a universal dying?
    Greg - 08 D4D Prado,
    Some trips done - Cape York, Fraser Island, Simpson Desert / Central Aust, Vic High Country.

    Comment


    • #3
      Re: Front suspension "popping sound"

      1. try changing the steering wheel height, it could be the bushes on the steering collumn
      2. could be link pin bushes too.
      97 VX Grande, with front & rear air lockers, ARB Sahara winch bar with tigers 11 winch, 2" EFS lift, 265/75/16 Achilles Desert hawk XMT, and more.


      [B]Bitumen - A blatant waste of taxpayers money![/B]

      Comment


      • #4
        Re: Front suspension "popping sound"

        what do you mean by popping sound? Is it a metal, mechanical sound? I have a similar problem with my 120 series but it's more of a metal sound that only happens on certain bumps or pot holes.
        Black 2003, TD, GXL Prado

        Comment


        • #5
          Re: Front suspension "popping sound"

          I had that problem in my 4Runner, well not exactly that problem because you've already checked the cause of mine.. it was the chassis mounted sway bar bushings binding then releasing, couldn't be made to do it by just bouncing the front end, but with a short distance on roads causing a lot of articulation it popped every time. A fresh smear of graphite grease fixed it till I got new bushes.
          [url=http://www.4wdmonthly.com.au/forum/showthread.php?t=29022]My Prado[/url]

          Comment


          • #6
            Re: Front suspension "popping sound"

            More of a knock. Imagine banging two pieces of hard wood together. Think corroboree

            She's at the mechanics now getting some pre-trip work done. Hopefully this time tey can find the source.

            Cheers

            Mark

            Comment


            • #7
              Re: Front suspension "popping sound"

              Ahh, I see... can't think what would cause that, short of a chassis crack or a broken body mount *shrugs*
              [url=http://www.4wdmonthly.com.au/forum/showthread.php?t=29022]My Prado[/url]

              Comment


              • #8
                Re: Front suspension "popping sound"

                I have come across a similar sound in two cars I have had and it turned out to be buggered shocks. Usually on small pot holes or rough sections of sealed road and the odd pedestrian crossing, would produce more of a knocking sound from up front.

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                • #9
                  Re: Front suspension "popping sound"

                  Well the mechanics couldn't locate the noise in fact they couldn't hear it when test driving. Of course if you don't drive over the right bumps you can't hear it :roll: Just been away for a couple of days and still happening. Most apparent with the passengers window down. Definitely from the front left suspension area. Migt take the front sway bar off completely and see if it still happens.

                  Cheers

                  Mark

                  Comment


                  • #10
                    Re: Front suspension "popping sound"

                    Originally posted by Mark Smith
                    Well the mechanics couldn't locate the noise in fact they couldn't hear it when test driving. Of course if you don't drive over the right bumps you can't hear it :roll:
                    Mark
                    Don't you hate that? Let us know if you work it out.
                    Black 2003, TD, GXL Prado

                    Comment


                    • #11
                      Re: Front suspension "popping sound"

                      Just a thought, the CV may be flogged out, so it has some movement which could make the noise. When I broke my CV I had a similar noise.
                      97 VX Grande, with front & rear air lockers, ARB Sahara winch bar with tigers 11 winch, 2" EFS lift, 265/75/16 Achilles Desert hawk XMT, and more.


                      [B]Bitumen - A blatant waste of taxpayers money![/B]

                      Comment


                      • #12
                        Re: Front suspension "popping sound"

                        Well I think we may have solved it. My TJM aftermarket flare was coming into contact with the edge of the bullbar and when the body and bar moved ( as Prado's do) over the right kind of bump it made the noise. Have re-fitted the flare to have more clearance and all is quiet. Pretty pleased it wasn't anything serious in the end.

                        Cheers

                        Mark

                        Comment

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