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Old 04-29-2010, 01:16 AM   #1
Scooby Newbie
Member#: 201252
Join Date: Jan 2009
Chapter/Region: SWIC
Location: Louisiana
Default replacing rear hub

After alot of research I have come down to the only reason that I have had my second rear wheel bearing fail in the past year is the hub being out of round and want to do it RIGHT. So I am going to just buy everything from the housing and all the internals.Would the hub itself that is pressed into the housing be the culprit or the housing most likely? I don't see the housing being an issue, but if I have to pay the other $120 for it I am almost ok with it as long as that wa wa wa noise goes away. Looking at the diagrams I was wondering if there is anything that would be able to be reused. Obliviously I don't want to reuse the seals but the snap ring(23485A), and tone wheel (27550B, not sure what its for assuming ABS but $60!!) might just not matter and save this college guy some money . Any comments or feed back would be great guys thanks alot.

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Old 04-29-2010, 01:22 AM   #2
Scooby Guru
Member#: 32459
Join Date: Feb 2003
Chapter/Region: Tri-State
Location: NY
02 WRX VF34 (SOLD)
Junior Tuned 301whp


FYI - I've bought 3 sets of 05 WRX knuckles from eBay with low mileage (10-40k) with great success. Only cost ~$50-75 shipped each.

You may want to consider that option instead of rebuilding the whole thing which can be very expensive, but there is always a danger of buying stuff on ebay.
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Old 04-29-2010, 08:18 PM   #3
Scooby Newbie
Member#: 201252
Join Date: Jan 2009
Chapter/Region: SWIC
Location: Louisiana

Anyone else have any input on the issue or the above questions?
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Old 04-30-2010, 04:49 AM   #4
Scooby Newbie
Member#: 101220
Join Date: Nov 2005
Chapter/Region: SCIC
Location: Long Beach, CA
MY05 imprezaRS
riding on open diff


I recently replaced my rear hubs/bearings/snap ring/oil seals. I had about 150,000 miles on them on my 2005 Subaru Impreza 2.5RS. You really don't need to replace the hubs like I did unless you want to or do some sort of spirited driving or if they look like they need replacement. Depending on the condition of the wheel bearings you can still use the same snap ring. If you're wheel bearings are so bad you may have to replace the hub too. The housing/knuckle shouldn't be the culprit unless you somehow damage it by hitting the curb at some decent amount of speed. Only the passenger rear went out on my car but I thought it would be better replacing both sides just like brake pads. You only need to replace the tone ring if the ring itself is cracked. It's some type of magnetic ring that works together with your ABS sensor. Hopefully this input helps if you have anymore questions let me know.
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