W211 pre MOT check

Discussion in 'Parts, Maintenance & Servicing' started by Cj320cdi, Jan 14, 2020.

  1. Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    W211 saloon, I’ve had an annoying clunking at the front end for months now that I had put down to some worn bushes but on inspection yes some are worn but nothing has any loose play nor can I see/ hear any metal on metal ???? MOT isn’t until 18th March but, as I’m having other fault issues looked at this week I thought I would post about this clunking for opinions ?? I have noticed that the clunking only seems to be under 20 mph..... maybe not being a qualified mechanic I may have over looked something ?
     
  2. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    Forgot to mention that it sounds like only on drivers side/ O/S...... quick research suggests anti roll bar linkage ?? Well have another look tomorrow if get 5 mins.....
     
  3. AMGeed

    AMGeed MB Club Veteran

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    Possibly a ball joint or torque arm bush. If you need any parts, I'd recommend this outfit owned by one of our members.
    www.cgmotorfactors.com
    Take it to a garage beforehand where they can inspect the suspension components and use a pry bar to confirm where the clunck noise is coming from.
     
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  4. OneForTheRoad

    OneForTheRoad Hardcore MB Enthusiast

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    Take both arb links off and see if noise goes away. Good luck with this . As finding noises on this set up is difficult.
     
  5. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    Hi, well I took O/S wheel off and took weight off the hub and had a pry with long screw driver and tbh there seemed a lot of play at the top end of the link and with a torch I could see the bush was cracked/ spilt and fair to say most probable cause of knocking noise.... purchased one for each side anyway at £38 and I can replace them myself....
     
  6. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    I’ve replaced ball joints/ rod ends etc as some had play in them
     
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  7. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    Ok better inspection today and the Bottom end of the o/s anti roll bar linkage, when I tried undo the bolt the whiole thread turns and with out braking the rubber gaitor I don’t think I will be able to remove the linkage however, it’s actually the arm on the thread that has movement due to the nut somehow not being tight enough..... but, as stated I don’t know how I can pry the thread to turn the nut either way...... lol heeeellllp !!! And also the bushes are not actually knackered after all........
     
  8. pmcgsmurf

    pmcgsmurf Hardcore MB Enthusiast

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    Isn't there a hole in the middle to put a hex key?
     
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  9. OP
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    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    Hmm think there is actually.....
     
  10. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    It’s solid and considering it’s been loose for a while I would say the threads are probly sheared anyway so I will have to purchase more parts.....
     
  11. Wolfie1

    Wolfie1 Hardcore MB Enthusiast

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    Just cut it off
     
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  12. pmcgsmurf

    pmcgsmurf Hardcore MB Enthusiast

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    Grinder is sometimes the answer. ;)
     
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  13. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    Ok so before I cut/ grind the nut off what size thread spec is it so I can get a new one lol ?
     
  14. greenmanslk

    greenmanslk Hardcore MB Enthusiast

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    Other apps are available....
     
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  15. Wolfie1

    Wolfie1 Hardcore MB Enthusiast

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    You bought oem drop links didnt you? Aftermarket ones always come with nuts, so its probably going to be either m10x1.25 or m10x1.5 i would imagine more likely the latter, if i had them in my hand i could tell you exactly by looking at them
     
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  16. pmcgsmurf

    pmcgsmurf Hardcore MB Enthusiast

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    The nuts and bolts on the W211 front Drop Links are M14 x 1.5, top bolt is 40mm long.
     
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  17. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    Yes they are oem links
     
  18. Wolfie1

    Wolfie1 Hardcore MB Enthusiast

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    My answer for size was just an educated guess, but there you go someone knew exactly
     
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  19. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    All the same, I still appreciate all the help and advice from everyone ! Thanks !
     
  20. OP
    OP
    Cj320cdi

    Cj320cdi Hardcore MB Enthusiast

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    Removal/ refittting of anti roll bar ball joint S...... as they sit in the control arm do they pop out fowards or backwards ? Also, Is there a circlip under the rubber seal ? Thanks
     

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