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Thread: Clunking front driver side when turning over bumps

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    Default Clunking front driver side when turning over bumps

    Hi guys,

    Recently Iíve been hearing a clunk when Iím turning right and at the same time going over bumps from the front driver side wheel area. Any ideas?

    Also hearing a clunking sound at the rear when Iím driving around 20-40km/h over bumps but seems to be gone when I drive over 60km.

    Iíll be jacking up the rear this weekend to check if anything is loose or so.

    Recently had a set of Koni oranges and Eibach Prokits installed - only issue I had was the top nut was loose which has been resolved.

    Thanks a bunch


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    Newbie LiviuTincu's Avatar
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    Default Re: Clunking front driver side when turning over bumps

    It might be the ball joint or upper strut mount. What mileage is the car?

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    Default Re: Clunking front driver side when turning over bumps

    Front will most likely be a ball joint or sway bar end link. It could very well be a strut mount if you re used yours when you swapped things over. They can't be re used from mine and many others experience. The rear could also be an endlink. So many bushings in the rear it can be difficult to diagnose.

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    Default Re: Clunking front driver side when turning over bumps

    Car is currently at 163k. The strut mounts were reused at both ends. Can the replacement be DYI? I wouldnít mind doing the work if itís straight forward.

    And where can I get proven replacement for them?

    Thanks for the reply guys


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    Default Re: Clunking front driver side when turning over bumps

    Could easily be the strut mounts, check the other stuff first. A DIY requires spring compressors which is a fairly cheap tool. I did mine, didn't redo the alignment after and had no issues. Set aside 4 hours if you have never done it before. The most difficult part is sliding the bottom of the strut into the slot. Know how to properly remove an endlink before you attempt.

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    Default Re: Clunking front driver side when turning over bumps

    Yeah I figured I should get the struts replaced.

    Amazon has the rear strut mounts as ĎDorman 924-412í and I tried using their car fit function but it tells me it doesnít fit my car. Where can I check part number that would fit my car?

    Btw I have 2012 hatchback 2.5L

    Thanks again


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    Default Re: Clunking front driver side when turning over bumps

    I would not buy Dorman , KYB is better for rear mounts. But these when damaged will make a very loud noise and you will know that the mount is broken. Maybe the end links are loose, trailing arm bushing is out, check first to see what the problem is. Control arm bushing could also be the problem.

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    Last edited by LiviuTincu; 11-09-2018 at 01:42 PM.

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    Default Re: Clunking front driver side when turning over bumps

    Rockauto is listing brands Sachs at 20$ each and Mevotech at 40$ each.

    Not sure what everybody goes with when it comes to replacing the strut mounts

    I called Mazda and they donít sell the rear strut mounts separately.


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    Default Re: Clunking front driver side when turning over bumps

    Quote Originally Posted by KevinM3 View Post
    Rockauto is listing brands Sachs at 20$ each and Mevotech at 40$ each.

    Not sure what everybody goes with when it comes to replacing the strut mounts

    I called Mazda and they don’t sell the rear strut mounts separately.


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    I have read good things about Sachs with regard to the Mazdaspeed3. I am going that route for my MS3.
    2010 Black Mazdaspeed 3 - Lightly modded

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    Default Re: Clunking front driver side when turning over bumps

    Quote Originally Posted by S.F.W. View Post
    I have read good things about Sachs with regard to the Mazdaspeed3. I am going that route for my MS3.
    Yeah I read likewise. Unfortunately, Rockauto only has 1 left of the Sachs, and with additional 10$ to ship here by Dec 3 lol

    I'll keep looking around

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    Default Re: Clunking front driver side when turning over bumps

    Oh if it was the strut mounts in the rear you would know. Your car would sound deadly unsafe. Had it happen to me last year.

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    Default Re: Clunking front driver side when turning over bumps

    Quote Originally Posted by jeff7670 View Post
    Oh if it was the strut mounts in the rear you would know. Your car would sound deadly unsafe. Had it happen to me last year.
    I had a quick check last week when i put my winters on, and the strut mounts looked fine. I suspect the single nut holding the strut bolt to the mounts on the top is loose.

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    Default Re: Clunking front driver side when turning over bumps

    Quote Originally Posted by KevinM3 View Post
    I had a quick check last week when i put my winters on, and the strut mounts looked fine. I suspect the single nut holding the strut bolt to the mounts on the top is loose.
    You don't need to change the mount if the nut is loose. Are you sure are not the brake pads? Press the brake next time and see if the clunk goes away.

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    Default Re: Clunking front driver side when turning over bumps

    These are to be installed this weekend, brrrrrrr.

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    Default Re: Clunking front driver side when turning over bumps

    Quote Originally Posted by LiviuTincu View Post
    You don't need to change the mount if the nut is loose. Are you sure are not the brake pads? Press the brake next time and see if the clunk goes away.

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    If I can recall, Iím already on the brakes when Iím slowing down and the clunks come on when going over even little bumps on the road


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    Default Re: Clunking front driver side when turning over bumps

    Finished on Saturday, 4 hours to install.

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