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#1
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Hello guys,
I am having a problem recently regarding my drivers side front suspension area. There is a thumping noise coming from what seems to be the drivers front wheel or suspension when going over small bumps in the road. It sort of feels like something is loose. I have investigated with the wheel off and can't see much accept that the top of my shock there is less orange foam stuff at the top. (Which I don't know what it is) I have been told that it may be my bushing or tie rod. Anyway, I can't see anything wrong with my eye. Can anyone help me identify the problem? Thanks, ------------------ Scott Chaffin 190E 2.3 8V http://www.geocities.com/scotty-c_2000/ slchaffin@ou.edu |
#2
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You will have to check this on a lift with the suspension unloaded. Have a tech check the tie rods, drag link, idler arm bushings and the ball joints for starters.
------------------ Benzmac: Donnie Drummonds 1991 GMC Syclone ASE CERTIFIED MASTER AUTO TECHNICIAN SERVICE MANAGER FOR 14 BAY FACILITY MERCEDES SPECIALIST 8 YRS PARTNER IN MERCEDESSHOP.COM |
#3
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Check your shocks. I had a similar problem. Checked everything on the front end could find nothing till I held my hand on the top shock mount while someone bounced the car and there it was. Changed the shock and it was gone. The shock had come loose inside.
------------------ 82 300SD 100K 91 Caprice SS 92 Jetta TD |
#4
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I would add that worn bushings on the front anti-sway bar can also cause a clunk or a thunk from the front end. Happened in my '93 400E at 80,000 miles. A pretty cheap fix, if that's the problem.
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#5
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Any or all of the things above could be the culprit. The only way you'll find it is to unload the suspension and then "shake and pry" until you find the offending part.
I have, in the past, overlooked a worn shock on a 123 car. The shaft gets loose and gets noisy. The strut type shock, however, is stronger and my experience has been that they are not as prone to this. My answer, shake and pry. Good luck, ------------------ Larry Bible '84 Euro 240D, 523K miles '88 300E 5 Speed '81 300D Daughter's Car Over 800,000 miles in Mercedes automobiles |
#6
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Thanks for the replies, I wanted to add that the thumping is not just on big bumps, but all the little ones too. The thumping is pretty rapid most of the time. The only time the car is quiet is when it is black top. Any other thoughts? If not then I'll just take it to the dealer and hope it's not big. THANKS!
------------------ Scott Chaffin 190E 2.3 8V http://www.geocities.com/scotty-c_2000/ slchaffin@ou.edu |
#7
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Scotty did you ever find out what this was because I have exactly the same thing on my W124. I just replaced the tierods and draglink so I know its not those. In fact it seems like replacing those has made it more audible.
Its a sometimes rapid fire low faint thumping and it only happens on bumps any bumps. You sometimes need a series of small bumps to actually distinguish it. Let me know Thanks! yal 88 230E(W124) [This message has been edited by yal (edited 08-25-2000).] |
#8
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Yal,
You DEFINITELY have the same problem I have. What you have described is exact. I am taking my car to the dealership here in Oklahoma City Monday morning to have them find what is wrong and fix it. I REALLY hope it's nothing big. It is reassuring to know that it probably isn't the tierods or draglink. I have a feeling it will be a bushing. It may be a shock but I hope not. Well, as soon as I know I'll post what it was. Thanks for the info, ------------------ Scott Chaffin 190E 2.3 8V http://www.geocities.com/scotty-c_2000/ slchaffin@ou.edu |
#9
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Hello, I went to the dealership today and $145 later I had a thump-free car. I was a "rubber buffe". I don't know what this is, but I think it is basically a rubber bushing. $45 for the part, $100 for the labor. Hope this helps,
------------------ Scott Chaffin 190E 2.3 8V http://www.geocities.com/scotty-c_2000/ slchaffin@ou.edu |
#10
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Also, they replaced the top mount for the left front strut. This is what stopped the thumping. Hope if you did what I had done it will stop the noise.
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#11
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I was hearing the same clunking noise, front driver's side, on my 500E, and I took it into the shop today. Up on the lift, plain as day the left bushing on the sway bar was torn and not in the mounting bracket. My tech has ordered the part (apparently the replacement kit has four bushings) and I will have it repaired tomorrow.
Are there "bushing-gremlins" about? ------------------ Make it a Good One! 1993 500E |
#12
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How much are they charging you for this? I have a 190E 2.3 and have replaced one rear bushing for $250 and one front strut tower bushing for $150. It is getting old real fast. I go to the MB dealership because they do a good job but geez! $50 for a little rubber bushing a $200 for installation?
------------------ Scott Chaffin 190E 2.3 8V http://www.geocities.com/scotty-c_2000/ slchaffin@ou.edu |
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