W124 Rear Suspension Squeak - Need Some Info.
 

Hi, my 92' 400E has developed a very irritating squeak that is now going to need to be replaced asap. I've been searching through past posts and have found some info., but not as much as I need in order to do this job myself, at least I think so.

From what I can tell the squeak is coming from the outer control arm bushing that connects the wheel bearing carrier. Past post that I've read have commented on using a special tool, as well as about maybe requiring the spring to be compressed. I'm not to sure about the whole project, so if anyone who's had any experience doing this can tell me the procedure it would help me out a lot.

Bump

Are you talking about the joint referenced in link below?
http://www.peachparts.com/shopforum/tech-help/149016-124-supporting-joints-rear-shocks.html?highlight=ball

It takes a special tool to do it on the car. Some have been creative using hardened bolts and sockets, with some success.

Easier IMO to remove the wheel carrier, and take it to someone with a press to have it replaced. Further IMO, if your wheel bearing is original, change that also while it's in the press.

Yes, that's it. Upon reading posts it seems as if the 150k mile mark is the norm to have them replaced. I have over 230k miles on my car so it's time.

I must add that it's only the drivers side that makes the noise, several years ago I was t-boned right at the rear wheel and never had it looked at since it drove fine, and still does. The squeak only developed 6 months ago and has slowly got worse as time has gone on, now it squeaks all the time, but still drives very well. I doubt that the accident has anything to do with it but it might add some work.

I might just redo the whole rear end since I'll already have the suspension apart.

Tool is Sir Tools M0085.

Look at the diagram in the link I posted.

As I recall I supported car on jackstands. Then support the end of part #6 with a floor jack. Remove nut and bolt 6e and 6f. I believe I removed the bottom bolt for the shock absorber too. Slowly and in a controlled manner lower the end with the jackstand to take the pressure of the coil spring. Remove and replace supporting joint with special tool.

Job is not technically difficult. You do not have to take the whole rear suspension apart just to change these supporting joints.

Good to hear, looks like I'll be able to tackle this with ease.