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#1
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Front End Shimmy at 55 mph
Our 190E has developed a front end shimmy. What is the likely cause of a shimmy that develops at approximately 55 mph but subsides at about 70 mph?
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Earl 1993 190E 2.3 2000 Toyota 4x4 Tundra |
#2
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Bent wheel, tire belt shift, loose front end, caster out of alignment....
Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles |
#3
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end shimmy
Wheel balance is sensitive to speed. It is typical for the front end to seem solid at a low speed, shimmy at an intermediate speed and be solid again at high speed. Balance also seems to come and go between 45 to 70 mph depending on the degree of imbalance and the specific car.
I would check balance before spending big bucks and throwing parts at a problem like this. |
#4
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I had the same problem with my 560sec - shimmy and rough between 55 and 70 more or less. I took the car to a local shop for a wheel balance and it was worse! Called my Indie and he said only one shop in town knows how to balance MB wheels and sent me there. Afterwards it was like I had a new front end - smooth as silk and no more problems.
Good luck.
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John Gillespie 1988 560sec - 192k miles 2006 CLK500 - 40K miles 1995 E300 - 202k miles |
#5
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I agree that the first step would be to check the tire balance and have the tires inspected to make sure they are still in good shape. If that doesn't help you might want to check the control arm bushings. Since they are made of rubber they tend to degrade over time.
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#6
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Thanks. That sounds like good advice. First check balance and control arm bushings. What about tie rod ends? Could they fit these symptoms?
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Earl 1993 190E 2.3 2000 Toyota 4x4 Tundra |
#7
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tie rod ends
I believe worn tie rods would first be noted as excessive steering play rather than shimmy.
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#8
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OK Rocky. I've got my course charted.
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Earl 1993 190E 2.3 2000 Toyota 4x4 Tundra |
#9
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I took the car in for re-balance of tires and found out that there is play in the passenger side front steering. The strut also squeeks when turning the steering.
The motion is coming from worn rubber bushings that hold the end of a rod that is attached to or near the inner tie rod end. Does anyone know the name of that rod and rubber bushing. The bushing sets inside a cylindrical casing about 4 inches long and maybe 1.5 inches in diameter. Can I do this repair myself? Also what is causing the squeek in the strut... and what can I do to fix it?
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Earl 1993 190E 2.3 2000 Toyota 4x4 Tundra |
#10
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That is the idler arm. You can purchase an idler arm rebuild kit for a modest sum. I don't know how involved the installation is on a 201 chassis, depends on what other components are blocking access.
- JimY |
#11
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Jim... is the idle arm and the control arm the same thing? I ask because Mercedes Guy mentioned control arm in an above post.
Thanks for helping me out with this.
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Earl 1993 190E 2.3 2000 Toyota 4x4 Tundra |
#12
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My 420 SEL had the same problem and I took it to JohnHef, who did a high speed tire balance on it and waaaallaaaaa problem resolved.
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"It's normal for these things to empty your wallet and break your heart in the process." 2012 SLK 350 1987 420 SEL |
#13
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Quote:
http://www.performanceproducts4benz.com/product.asp?pf%5Fid=P46%2D012&dept%5Fid=6390 http://www.performanceproducts4benz.com/diagram.asp?diagram%5Fid=22 If you decide to purchase anything from the above diagram I would check with Phil at Fastlane first. He'll be able to get them to you much quicker than the company in the links. I just thought a diagram of your suspension might make diagnosing your problem a little easier. |
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