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  #1  
Old 03-20-2002, 10:52 PM
Morphous
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W123 Rear Wheel Bearing

Hi,

From those that have done this job, can a DIYer get this job done and what special tools did you need?

I have never pressed bearings so I would appreciate an explination on what this all about. I have removed bearings with a puller but never pressed bearing back.

Help,

Morph

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  #2  
Old 03-21-2002, 08:08 AM
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THIS job isn't a basic DIYer job.
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  #3  
Old 03-21-2002, 09:31 AM
Morphous
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MB Doc

MB DOC,

Why isn't it a DIYer job if I can get the right tools? I agree if I can't find the tools for the job, I shouldn't tackle. What special about pressing bearings onto an axle hub?

I would appreciate some 'detailed' info to help me make the conclusion to have a shop preform the work.

Thanks,

Morph
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  #4  
Old 03-21-2002, 09:41 AM
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Morph, Have you considered providing others with things like the particular model and year of your car ?
I have a 81 wagon,,, and I agree with Doc..... everything I have seen involves too many special tools and measureing to tolerances too close for this to be a DIY'er having to rent or borrow tools... assuming they were even available... but I am speaking generically since I don't even know what you drive..... Greg
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  #5  
Old 03-21-2002, 11:31 AM
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I bought a replacement rear bearing several months ago. I haven't had time to replace the bearing yet, but I thought that from reading other theads that it had been done before by others on this forum.
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  #6  
Old 03-21-2002, 11:39 AM
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"It depends on your definition of SEX "or in this case 'do it yourselfer' ... there is an incredible range of experience or lack thereof on this forum,,, and anything other than a taking it to a shop is included in the definition of "DIY"... Some of the DIY people here are better than anyone can hope their local Benz dealer will be... others are just starting out .... it is hard to tell from written communications whether or not they should be trying it themselves...all these things are pretty much opinions based on the problems others have had with some repairs mixed with their guess from the questions asked as to whether someone ought to try it themselves.... Greg
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  #7  
Old 03-21-2002, 03:53 PM
Morphous
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Pressing new rear bearing for 85 300D

Sorry to all about not putting in chasis and year. My fault.

I am wanting to replace rear wheel bearing in a 85 300D or 123 chasis. I am aware of a special socket needed to remove the spindle but I am more concerned about bearing removal and replacement. I have never press componets so this is the only part that is unfamiliar, but I am sure it something I can master. If not then, I have the option of taking it somewhere, thus the reason for me asking about tools and equipment. I have access to a very nice shop with plenty of special tools.

I am certainly aware that not all DIYer have the same level of experience. I put it this way... there isn't anything on this car I don't think I can't handle given proper tools. I am not looking to be an MB expert for all model. I am focused on my platform and I will dedicate my weekend time to getting harder jobs accomplished.

If ANYONE has done this task, please email me or post here if you like on your experiences.

Thanks,
Morph
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  #8  
Old 03-21-2002, 04:12 PM
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Do you have a copy of the Factory Shop Manual ? That should be considered an important tool... Greg
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  #9  
Old 03-21-2002, 09:13 PM
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Look at the FACTORY manual, there are tools that you need to use to get everything together properly, I was about to do it when I realized that I needed those tools so I held off on it until I could find them.
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  #10  
Old 03-22-2002, 01:29 AM
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I think all mbdoc is saying is that it isn't an easy job.If you have the time and patience and tools, go for it.
having done this job many times and having a rack,air,and all the tools,it's still a job I never look forward to doing.
hell, when I sell my shop,I won't be thinking twice about paying someone else to do that job for me....Paul
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  #11  
Old 03-22-2002, 08:40 AM
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THE reason I say this isn't a DIYer is that DIYers don't have shops with the special tools needed. Otherwise they aren't DIYers.
The biggest thing on this job is setting the end play on the bearings with a dial indicator AFTER crushing the "sleeve" between the bearings.
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  #12  
Old 03-22-2002, 10:21 AM
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M.B. Doc, I am SO SORRY you brought up that crush sleeve arrangment..... I knew there was something about that job that I was trying to forget... That crush is a one way deal... if you get it too far you have to start over...with a new one... which of course,,,by a few thousandths ,I did, and had pull it apart and do it again..... Greg
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  #13  
Old 03-22-2002, 01:14 PM
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I have done rear and front bearing replacement on 85' 7 series BMW but only front on MB. If these are anything alike, I can tell you the procedure. The BMW manual "recomended several special tools, but I found that I could do it with what I had; brass-hammer, gear puller, caliper, runout gauge, micrometer, some neat sized sockets that just happened to be the same size as the bearings channels, and resourcefulness.

If you know that these are anything alike, e-mail me or reply here and I'll give you the procedure.

ATLD
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  #14  
Old 09-26-2007, 11:01 AM
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I need your help MB DOC on how to remove the rear wheel bearing? I don't want to ruin my rear wheel? The bearing is worn out that is for sure. IN case I go to an MB shop, I have an idea on what they will do. I don't want to be overcharged.

Any special tool to use?


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  #15  
Old 09-26-2007, 02:40 PM
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I believe the tool required to pull the bearing is just a puller that you can turn the arms around so as to grab the inside of the bearing vs. outside. The FSM goes into much detail regarding setting, dial calipers, I think, and such.

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