Car Drifts... - Mercedes-Benz Forum
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post #1 of 57 (permalink) Old 07-08-2019, 12:59 PM Thread Starter
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Car Drifts...

Recently when driving, especially noticeable when driving on the highway, my car has started to drift, even with the steering wheel held firm and straight. Not a lot, but, if you've driven these cars and are use to them being "tight" no drifting, you know the difference. And this car is an old friend of mine so I know it very well..and when something is different like this drifting, I notice it immediately.

Initially I thought it might need an alignment, so I took it to a shop that I use for other cars and after inspection they said that it didn't need an alignment, that it was spot on. So I left.

After thinking about it I called them back and asked if they had checked the tie rods, wheel bearings, steering box etc...they said that they usually perform a shake down of all those parts and areas first as its procedure before performing the alignment analysis.

They mentioned maybe it could be tires..

I was already planning on getting some new tires because I've plan a road trip for the car next month, so right after the alignment appointment I had a new tire appointment. Problem persist even with the new tires.

Putting some new shocks/struts and coil springs on next week..got them last week.

Do I need maybe a second opinion, is there something else that could cause the drifting that they/I might have missed?

Thanks in advance.
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post #2 of 57 (permalink) Old 07-08-2019, 02:19 PM
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Rear suspension arm bushes.
There are 5 arms each side and play will also affect the thrust angle.
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post #3 of 57 (permalink) Old 07-08-2019, 02:32 PM Thread Starter
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Originally Posted by boyd waugh View Post
Rear suspension arm bushes.
There are 5 arms each side and play will also affect the thrust angle.
In other words if the thrust angle is affected from these "rear" suspension arm bushings that could make the front drift? Can you send a pic of these parts?

Thanks Boyd
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post #4 of 57 (permalink) Old 07-08-2019, 02:37 PM
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post #5 of 57 (permalink) Old 07-08-2019, 02:38 PM Thread Starter
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Gotta go back to work. But, Pics of what I found quickly. Do the bushes attach to these arms?

Thx
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post #6 of 57 (permalink) Old 07-08-2019, 02:55 PM
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The arms are complete with the relevant bushings in the picture.
The big barrel ones go into your existing arms and are a real pain to fit.

Check out what you need, if any before splashing the cash.

https://www.benzworld.org/forums/w124...rbishment.html
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post #7 of 57 (permalink) Old 07-08-2019, 04:55 PM Thread Starter
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Originally Posted by boyd waugh View Post
The arms are complete with the relevant bushings in the picture.
The big barrel ones go into your existing arms and are a real pain to fit.

Check out what you need, if any before splashing the cash.

https://www.benzworld.org/forums/w124...rbishment.html
Come to think of it, I have been hearing a creek from my rear end from time to time lately, I was thinking that maybe some of those arms rubber bushings were shot or either my old shocks was producing it. I'll look at all of the references you sent me and get educated. Just got off. Yep those bushings aren't cheap lol.

I will return...

Thank much again Boyd.
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post #8 of 57 (permalink) Old 07-08-2019, 05:39 PM
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You've got differential mounts and sub frame bushings too, to worry about. All those things can give the rear a loose and poorly tracking profile feel.

Kevin
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post #9 of 57 (permalink) Old 07-08-2019, 06:08 PM Thread Starter
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You've got differential mounts and sub frame bushings too, to worry about. All those things can give the rear a loose and poorly tracking profile feel.

Kevin
Well Kevin, thats a mouthful. I was just trying to digest what Boyd sent, lol.

So I asked this question before, if the rear end has these suspension failures, this can cause the front end to drift?

I've no experience with suspension, but most of you guys know that I just started working on cars when I began with this 300ce 4 years ago when I joined this forum. And with you guys help I'm doing ok.

However, I'll just have to establish a starting point to see what's failing now causing the drift and upgrade the rest along the way.

So is the likely place to start with the bushing and go systematically through the rest?

Thanks
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post #10 of 57 (permalink) Old 07-08-2019, 08:47 PM
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Quote:
Originally Posted by drayper View Post
Well Kevin, thats a mouthful. I was just trying to digest what Boyd sent, lol.

So I asked this question before, if the rear end has these suspension failures, this can cause the front end to drift?

I've no experience with suspension, but most of you guys know that I just started working on cars when I began with this 300ce 4 years ago when I joined this forum. And with you guys help I'm doing ok.

However, I'll just have to establish a starting point to see what's failing now causing the drift and upgrade the rest along the way.

So is the likely place to start with the bushing and go systematically through the rest?

Thanks
To answer your question, if the rear end is loose, it doesn't cause the front end to drift. It's actually steering from the rear, if you know what I mean. The front could be nice and tight but if the rear is loose, it's going to wander a little which you'll perceive as front end drift.
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