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Old 12-05-2001, 12:07 PM   #1
BG5
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Join Date: Dec 1999
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Question Wheel Bearing Grease

In my maintenance schedule somewhere (60k IIRC) is the recommendation to get the wheel bearing grease checked.

Beyond the actual checks (grease quality/quantity and the seals) has anyone actually done this?

If you separate the axle from the hub, is it possible to do the check by simply removing the inner/rear seal? Alternately, if I'm going to the trouble doing this, can you repack the bearing with better grease without having to press it out?
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Old 12-05-2001, 05:03 PM   #2
CosmoTheCat
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Do you actually crack the thing apart and check the grease or do you just find a zirc fitting and inject more until the old stuff oozes out?
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Old 12-05-2001, 10:32 PM   #3
SubyTechMaster
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Perhaps you should re-read what the Maintenance Schedule says about the Wheel Bearings. It doesn't mention "Grease", it says "inspect Wheel Bearings". If you look in a service manual the procedure for Wheel Bearing Inspection amounts to measuring the deflection of the hub, I think the limit is .020".

There are no grease fittings. The bearings, while not sealed, are not intended to be serviced. The inner seals can be replaced but the outer seal can only be replaced if the hub is removed (destroying the bearing). If the hub deflection is out of limits the bearing should be replaced.
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Old 12-06-2001, 01:40 AM   #4
CosmoTheCat
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<--- nowhere near the 60k service



All I know is that up until now I haven't really had to do much, service-wise. (oil/filter, spark plugs, fluids)
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Old 12-07-2001, 03:25 AM   #5
BG5
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I reread the tech books, and SubyTechMaster you're right although they describe it as thus:
"17. Front and Rear Wheel Bearing Lubricant

A: INSPECTION
Inspect the condition of front and rear wheel bearing grease."

(that's the way I remembered it... ) before they delve into checking the play in the hubs without anymore mention of "grease".

I had a front bearing go a while back and think it would be advantageous if you could access the bearing grease w/o having to press it out or pull the inner seal. Zerk fitting to the hub housing perhaps?
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