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Old 04-20-2005, 08:13 PM
Kestas Kestas is offline
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Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,823
From what you describe, it sounds like you do have a bad wheel bearing. I'm not intimately familiar with the bearing setup on your W210, but I assume a lot is the same as the W124. Assuming that you properly replaced the bearings, preload is set by first tightening the hub nut until it's hard to turn the rotor. This seats the races firmly inside the hub and squeezes excess grease from the race surfaces. Then back off the hub nut only until slack.

If using a dial gauge, tighten the hub nut until axial play is within specification. Double-check the play after tightening the hub nut clamp.

If you're setting the play without a dial gauge, tighten the hub nut finger tight, then tighten the hub nut clamp.
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