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Old 09-02-2007, 11:26 PM   #1
MasterKwan
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Default Does taking out the rear hub damage the wheel bearing?

I'm trying to decide how to get around a problem I'm having (that I caused). I have new spindles including hubs for the rear of my 03 to replace the 80K miles spindles/hubs that I have now. Because I want to use the old backing plates so, I can use the same brakes, the question is:

1) Will pressing the hub out of the rear wheel bearing and pushing it back in damage the wheel bearing?

Honda clearly states in their manual that removing the hub, means you need to press in a new bearing. The suby shop manual, is a totally disorganized POS. I can't even FIND the procedure for wheel bearing replacement much less a discussion of the hubs. So, I'm coming to you all for advice.
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Old 09-02-2007, 11:39 PM   #2
silver2004impreza
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It's been my experience that when you press a hub out of a bearing, one of the bearing races (the part that the rollers inside the bearing ride on) will go with it.

You've got new spindles with hubs in them already, which means that there's bearings in them. AFAIK the backing plate should simply be a bolt-on piece, so swapping it shouldn't require a press of any kind to be used, although it's been a while since I've seen one, so I'm not cetain how accurate my information is.
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Old 09-02-2007, 11:58 PM   #3
MasterKwan
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With Honda's that's exactly right. Front or rear, the bearing pulls apart when you press the hub out.

Imagine this. The order is Hub, backing plate and spindle. The Backing plate fits OVER the bearing housing. then the hub is pressed into the bearing so, to take the backing plate off, the hub has to come out of the bearing.

I've done more research and the manual implies the hub can be pressed out without damaging the bearing. You can't re-use the bearing IF you remove the bearing but, it says to only replace the bearing if it's damaged. I read that as, pulling the hub doesn't damage the bearing.

Thanks for the comment though.
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Old 09-03-2007, 12:18 AM   #4
speedyHAM
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Pulling the hub will not damage the bearing if you do it right. I have done several and reused the bearings. If you think the Subaru FSM's are bad you should look at the mazda FSM's, they are much much worse. Do you have the actual FSM- or a lousy copy or Haynes POS?
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Old 09-03-2007, 12:45 AM   #5
MasterKwan
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I have a copy. It's right up there with the POS Nissan manual. The Honda manual's like a novel. I can read it for enjoyment as well as to learn something.

Thanks. I'm going to try it in a few minutes.
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