Re: [diesel_mercedes] Wheel bearings going bad already??

 

I have never used a dial gauge, but I have only had 3 or 4 bearings go bad in 50+ years. Just tightened them down, and then backed them up a turn or two. Not rocket science, but I do grease them up quite well. I have seen a "proper" write up somewhere where even the amount of grease is measured out. But, a good greasing seems to be a bearings best friend.

 

brian from la verne, ca

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From: Dave Warren <pilotdave64@gmail.com>
To: diesel_mercedes@yahoogroups.com
Sent: Monday, August 1, 2011 5:57 PM
Subject: [diesel_mercedes] Wheel bearings going bad already??

 

Hi all,

I replaced my front wheel bearings and races on my '80 240D last year. Here it is a year and 10K miles later and it sounds like they're starting to go again! So... I'm wondering what I did wrong. When I replaced them, I used bearing kits from GermanAutoParts.com. I used this grease called "Waterproof Green Grease" which seemed pretty awesome based on the label. I followed the steps in the Haynes manual in adjusting - tighten until the wheel doesn't move then back off a 1/3 of a turn on the nut.

So, either the bearings/races were defective or perhaps I didn't adjust the play correctly? I can't believe even some 'incorrect' grease wouldn't last longer than a year! I looked in my recently acquired WIS and it recommends 2mm play using a dial gauge. This seems like more than what I got using the Haynes method so I'm thinking I may have had them too tight. A dial gauge may be in my future.

Anyone have any thoughts on this?

Any recommendations on a decent dial gauge?

Thanks!

Dave

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