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VE Suspension Noise

Discussion in 'VE Holden Commodore (2006 - 2013)' started by Ben McCann, Apr 24, 2016.

  1. Ben McCann

    Ben McCann New Member

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    Hi all,

    Now I know there are several threads already on what I am about to describe however I am hoping that I can get to the bottom of whatever is making this noise.

    There's a link below showing the noise in its typical state (this wasn't a bumpy section of road either). It appears to be coming from somewhere on the drivers side and happens when driving over uneven surfaces although is much much louder when driving over speed humps. Its come to a point now where the car is quite frustrating to drive given that the noise is pretty much constant.

    From reading other threads on the forum I was led to believe that the noise is likely caused by deteriorated strut top mounts, sway bar d-bushes or bad sway bar links. I've recently replaced the front and rear springs, struts, sway bars and end links with the following set up:

    KYB Struts
    SSSL King Springs (SSL Rear)
    Superpro Strut Top Mount (Front)
    Whiteline Heavy Duty End Links
    Whiteline Adjustable Sway Bars
    Whiteline Sway Bar D Bushes

    Now the car handles great, very flat through corners, smooth etc. but the noise is still there. I'm not looking at keeping the car for all that much longer but given that I drive around 80km to and from work each day I'd like to be able do so without hearing the front end crashing, rattling and knocking over every undulation in the road.

    Any indication on what could be causing the noise would be appreciated.

    www.youtube.com/watch?v=wpFxOw3698U
     
  2. MYVESSV8

    MYVESSV8 Well-Known Member

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    loose nut holding shock to spring, or top nut, lca bush
     
  3. greenacc

    greenacc Searching for the billion

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    Control arm or radius rod bushes in front suspension? Do you get 1 load clunk when you brake hard going forwards, or after reversing and braking
     
  4. pnlimo

    pnlimo Member

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    Sometimes a knocking noise can be caused by worn brake caliper slide pins.
     
  5. Ben McCann

    Ben McCann New Member

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    I'm thinking that it could be either of the bushes. I sometimes hear a knock when braking going forwards and then went taking off again (sounds like it's caused by the weight transfer in this case) but other than that the noise is only heard when going over bumps in the road.
     
  6. weemankai

    weemankai New Member

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    Have you gotten under the car yet to have a fiddle? I had a similar knock in my old WRX. It was a bush in one of the control arms. I got under the car and just touched and tried to move everything. Found the problem in 10 seconds. Could easily see the movement and could basically could recreate the noise. Give that a try?
     
  7. Foggsy

    Foggsy Active Member

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    There's lots of possibilities, first thought is something to do with anything polyeurathane that replaced rubber as its known to knock/squeak. Second thought is are your KYB's designed to work at the significantly reduced ride height you are running? Are you hitting bump stops etc?

    Its hard to diagnose because you have changed a bunch of stuff not just one thing so it could be something or a combo of things you have changed or indirectly those things that have been changed are not making the noise but are causing it to me made elsewhere in another part of the system.

    Sounds like its going to cost you a significant amount of time and money if you want to get on top of it unfortunately.
     
  8. Blackduck

    Blackduck New Member

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    May not be related, but I’ve come across this post whilst looking for the source of a gradually worsening noise in the rear of my 09 Omega. After a bit of stuffing around, it turns out that the Right hand, forward lower control arm was loose on the outer bolt point. This is after having it in for two alignments in a short period of time. Serves me right for being busy and not getting under it earlier. I still need to rebush the lower forward arms as they’ve copped a hiding where I drive but it’s now gone.
     
  9. VE_WagonII

    VE_WagonII Member

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    Without reading every post. I just had the front end link rods replaced Source of knocking noise problem solved
     
    krusing likes this.
  10. krusing

    krusing Active Member

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    I had the dreaded suspension creaking, ended up getting really P___d off with it,
    so I replaced -
    Shockers,
    Top Shocker Bearings
    Radial Arms,
    Lower Control Arms
    4 Tyres and a wheel alignment,
    And I still have the damn groaning noise when turning,
    I am now thinking it could be the damn Rack,
    Will have another look this weekend when I change the oil and filter.
     
  11. Blackduck

    Blackduck New Member

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    My front link rods are just starting to get a rattle in them the last few months.. Going to give her a bit of a birthday and order some new bits n pieces I think.
     
  12. VTS5

    VTS5 TechJunkie

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    Check your steering pump..
     
  13. johnni

    johnni Member

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    I've got the same knock sound and going to change my strut top mounts and sway bar bushes. Do I need to grease both up ?
     
    Last edited: May 8, 2019
  14. krusing

    krusing Active Member

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    Or Calliper Shims, which was a little rattle that got the better of me, and got hold of some replacements,
    and that fixed that noise.
     
  15. krusing

    krusing Active Member

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    Sometimes they may provide rubber grease with some replacement bushes.
     
  16. johnni

    johnni Member

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    no grease was provided when i bought them from holden so i know i need to grease the sway bar bushes but do i need to grease the top of the strut tops ?
     
  17. lmoengnr

    lmoengnr Well-Known Member

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    Depends on the strut top material. The factory rubber strut tops and Super Pro polylast strut tops don't need greasing.
    Urethane strut tops do require grease.
     
  18. johnni

    johnni Member

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    I changed my strut tops today and the sway bar d bushes and I still have a knock in the front when I hit a bump or uneven surface. What else could I be ? The end links or lower control arms ?

    Also when I reinstalled my whole front shock assembly, is the top of the strut tower where the top notch of where the spring starts meant to be facing in the inside of the strut tower towards the engine? As I couldn't find any marking or that w on the top
     
    Last edited: May 20, 2019

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