W124 Wheel bearing replacement technical write up? - Mercedes-Benz Forum
 
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#1 (permalink) Old 03-11-2013, 05:42 AM
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W124 Wheel bearing replacement technical write up?

Can anyone point me to an official MB write up on how to replace wheel bearings on a W124? I could not find it in the online maintenance manual.

1991 300E 2.6, 230K miles
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#2 (permalink) Old 03-11-2013, 07:45 AM
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The front or the rear?
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#3 (permalink) Old 03-11-2013, 08:22 AM
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At the moment, front but both would be welcome.

1991 300E 2.6, 230K miles
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#4 (permalink) Old 03-11-2013, 10:33 AM
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Am also interested as I recently found out there is actually a bearing adjustment on the front that can be done. Probably only delayed the inevitable for me.

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#5 (permalink) Old 03-11-2013, 11:47 AM
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For the front, you can use the great stuff G-AMG posted in the W210 forum and linked in the help/diy stickies. Same setup, same runout/adjustment specs.

That said, replacing the front wheel bearings is little different from any other RWD car. Remove the locking nut on the spindle, remove the hub, remove the inner grease seal, remove the bearings, clean thoroughly. If they need to be replaced, buy quality stuff, remove the outer race(s) from the hub and install the new parts, being sure to pack the new wheel bearings.

The hardest part of the job is getting out the old races. Some places sell hubs with bearings, which makes it a very fast (but more expensive) job.

Wagenmeister, I would not just do the adjustment. I'd recommend removing the bearings so you can clean and repack them before adjusting them. I did the ones on my W210 at about 110,000 miles and the grease was pretty well done.

Good luck.

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#6 (permalink) Old 03-11-2013, 01:56 PM
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