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CONTINUOUS KNOCKING NOISE OVER UNEVEN ROAD ON DRIVERS SIDE

Discussion in 'VE Holden Commodore (2006 - 2013)' started by countrylife, Oct 22, 2019.

  1. countrylife

    countrylife Member

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    Okay well this is something driving me completely nuts. I have a 2008 VE Commodore. Just recently had back shocks replaced and bump stops. All is good for the rear. The front also got replaced strut top mounts, though since then my cars front suspension doesn't sound right. Since I got the strut top mounts replaced, I have a very light knocking noise on left hand side when coming on & off a gutter (Bump/Driveway) now and then. Now I'm hearing on drivers side front, when going over continuous bumpy roads, I hear a continious knocking sound like someone tapping the outside of my car with something metal (not the best explanation) none of these noises where there before strut top mounts replaced. (THE NOISES ARENT ABSOLUTELY, JUST ENOUGH TO HEAR) Took back to mechanic and told him my concern, he said it's because I don't have too much to work with since my car is fully lowered all the way round. And it's true my car is very low, often scratch on the smallest of speed bumps when I'm not careful!!!! I'm thinking of changing back to regular springs if this helps the car take more. The car was bought fully lowered. I didn't realise when I bought the car just how low it sits. Whats everyone's thoughts? (Replacements done 4 weeks ago/wheel alignment done) - could it be anything like top strut nut loose?
     
    Last edited: Oct 22, 2019
  2. greenacc

    greenacc Searching for the billion

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    Don't know what he's talking about blaming the fact that it's lowered. Could be the Sway Bar bushes getting old and a bit loose which allows the Sway Bar to rattle and it sounds like you describe.
     
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  3. countrylife

    countrylife Member

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    Yeah I didn't know either why he keeps blaming the fact my car is lowered. I asked for a full suspension check, he comes up with the top strut mounts to be replaced, which have, the back shocks and bumps stops which are done. I already new about the rear, it was very obvious. Yes someone once said to me they've loosened more then they should. IDK
     
  4. countrylife

    countrylife Member

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  5. krusing

    krusing Well-Known Member

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    Sounds like the Stabiliser link arms, or the bolts are lose, they need at least 40nm tension
    or the lower radial arm, or the lower control arm.
    Either way, it has to be something that is lose under there.
     
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  6. greenacc

    greenacc Searching for the billion

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    Grab the front Sway Bar and try to slide it left and right. If it moves the D bushes need replacing. They are cheap and easy to DIY.
     
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  7. syked

    syked Donating Member

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    Maybe the strut mounts weren't installed correctly and maybe the spring orientation is wrong.

    Also suggest grabbing a few spanners and making sure everything is tight under there.
     
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  8. countrylife

    countrylife Member

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    Okay I'm liking all the suggestions, see what I can do... just what I had in mind. I can't understand why some mechanics just love taking people for rides for there money and time. I recently posted on here why my car was bubbling up and I came on here to be told to maybe replace radiator cap that I did, it even fixed my air con, which my mechanic replaced the evaporator, that failed to fix air con it kept stopping, now since radiator cap replaced air con is tops... everything engine fine is good. I hope my mechanic actually even replaced the top strut mounts??, no noise before replacement now all these noises.....
     
  9. Trevor loves holden.

    Trevor loves holden. Well-Known Member

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    Go to a different Mechanic, evaporator a big job you have to pull the dash out of the car, do you mean Condenser? Drier? Expansion valve? Compressor?

    Could be anything making the noise, metal on metal sound you say? Not a broken strut?
     
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  10. vc commodore

    vc commodore Well-Known Member

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    I would hesistate to say, here is the cause......He replaced them and hasn't tightened the nut to the shocker properly....

    To check yourself, open the bonnet and bounce the car, on the right hand corner, with your ear in the strut region and see if you hear the noise, when you bounce it...

    If you do, I'd be going back to that mechanic and mentioning that you paid for a suspension check and a strut top replacement, so you would like the job finished properly, not half finished. Even offer to for him to do the same thing I have suggested, with you present and see how he reacts

    Oh and being lowered is the cause...That's a fob off tactic
     
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  11. Trevor loves holden.

    Trevor loves holden. Well-Known Member

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    Took my car to change front links bushers as my back was stuffed and still is for that matter anyway it took me a week to get my car back as the mechanic had a family emergency and took off a week, when I got it back I drove down to Werribee south and I could hear this rattle noise I was like wtf, I drove home jacked it up and the guy left one side link arm loose the one he didn't need to replace, so I thought what a twat 125 for a safety check and 2 bushers and tells me my rack needs replaced lol.
    Anyway I thought stuff it I replace the link pins with the heavy ones and do the job myself, go to remove my wheel my lock nut tool isn't there so I had to wait 3 days to get it back from the mechanic, what a pain in the arse and waste of money.
     
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  12. countrylife

    countrylife Member

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    Okay well first of all, I've been back to him 2 times after the replacement of the struts tops. He just palms me off thinking well I haven't done any homework, well his wrong. I'm gotten to know my cars. I told him the noises wasn't there before it was fixed why now after a replacement of strut tops. I am not going back to him the 3rd time because he is obviously not interested in doing my car and a rip off, or the mechanics he has working under him just plan useless. I have a mechanically minded Brother in law who is going to check for me, I cannot trust my car going back to that mechanic any longer. It drives me nuts that I just can't find a decent & trustworthy mechanic around here, I'll be getting it check today.
     
  13. countrylife

    countrylife Member

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    Well I've already told him a few things wrong with my vehicle I know off, he just says na it's nothing we've checked. Something always tells me has he checked ???? Easy for him not too. Yes always blames my car being lowered and says im going to get those noises, being lowered wasn't a problem when I bought the car. My gut tells me his no good and my car is not trusted with him. I don't need his business no more...rip off!!!. And he certainly doesn't like me telling him what to do. Plus when you take your car in to him, he never calls to tell ya when it's ready, you have to call him every time to find out. He has no office lady and seems over run by phone calls & jobs. What can be done as DIY will be
     
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  14. countrylife

    countrylife Member

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    I'm going to check, can I ask exactly what type of noise am I looking for?
     
    Last edited: Oct 26, 2019
  15. Trevor loves holden.

    Trevor loves holden. Well-Known Member

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    Watch this the nut is holding the strut mount but to do it up you need to remove the strut mount top assembly off the car to get to it.
     
    Last edited: Oct 26, 2019
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  16. shane_3800

    shane_3800 Active Member

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    Just take it to a decent mech I litrally chased down many issues in my time a specialist most came back to poor workmanship or diagnostics. I'm glad I work in a workshop where we do everything now and I don't have to deal with customer's.
     
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  17. vc commodore

    vc commodore Well-Known Member

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    The noise you are hearing within the cabin of the car......With the bonnet open, bounce the car on the right hand corner and listen for any noises from the strut top......If you get a noise from there, it's obvious the mechanic hasn't done the job properly

    Has he even been with you and bounced the car to verify the noise?

    A lowered car is a pathetic excuse for shoddy workmanship
     
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  18. vc commodore

    vc commodore Well-Known Member

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    Not having a dig at you, but why didn't you get your brother in law to do the job to begin with? Was he busy at the time?

    I don't blame you for not having faith in mechanics.....At least you have a relative that can help you out in future, which will save ou the headaches in the future
     
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