wheel bearings...

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Old Apr 27, 2009 | 11:18 PM
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wheel bearings...

so, within 1 year, this is the 2nd set of wheel bearings that i've gone through.

does anyone have any experience with ceramic wheel bearings? i understand that these would be overkill for a daily driver - that isn't the point.

i am not looking for hp/torque or anything else gains. just real world experience with them...

opinions - keep those to yourself, i'm just not interested.
Old Apr 27, 2009 | 11:47 PM
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What are you changing besides your wheel bearings? hubs? housing? inner/outer seal? axle nut?
Old Apr 27, 2009 | 11:49 PM
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leaving the factory hubs in place. i will be using new inner and outer seals. i'll be using the standard axle nut too.
Old Apr 28, 2009 | 12:54 AM
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Joel, you also need to change the hub, hub housing, inner/outer seals, otherwise you will always have the same problem of the wheel bearings going bad no matter what type of bearings you use. The components all work in conjunction together. Just changing out the wheel bearing doesn't work, I see this on a daily basis.
Old Apr 28, 2009 | 01:14 AM
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Basically, once you press the wheel bearing in and out a couple of times, the hub housing hole gets bigger. Even though the hub housing hole only enlarges a very minute amount, it still allows for some damaging effects of play for the bearing which in turn causes it to go bad, hence why you should also change out the hub and hub housing too.
Old Apr 28, 2009 | 07:09 AM
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Nut torque plays a very critical role in bearing life.

How many miles did this last set of bearings last?
What parts were replaced the last time?
Old Apr 28, 2009 | 08:55 AM
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that is a real pain in the *** to have to replace the entire hub - not in the sense of the labor, but the fact that unless i go to a dealership, then i'm pretty much buying somebody's used hubs. which case, i'm pretty much back in the same spot.

i'd guess right around 20,000 miles. the bearings and all seals were replaced last time. i had the press in and press out task done at a local machinist shop. i supplied all the parts - new timken bearings and seals.

correct me if i'm mistaken, 2007 wrx wheel bearings WOULD work on my 99RS correct? last time i checked on Napaonline, they all have the same part number. in fact, as best as memory serves, the STi's also share the same bearings and seals part numbers.

all in all, i'm just looking for a bearing set that will last me a long time, as i do tend to be very rough on my cars (blew out a coilover recently). and i am willing to spend more money on something that will last.

----

just checked on Napaonline. the 99RS, 07WRX and 07STi all have the exact same bearing part numbers. now, i do not know if Subaru has changed it internally (got used to Toyota doing this on quite a few parts).

Last edited by not12listen; Apr 28, 2009 at 09:03 AM.
Old Apr 28, 2009 | 10:18 AM
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Originally Posted by not12listen
that is a real pain in the *** to have to replace the entire hub - not in the sense of the labor, but the fact that unless i go to a dealership, then i'm pretty much buying somebody's used hubs. which case, i'm pretty much back in the same spot.

i'd guess right around 20,000 miles. the bearings and all seals were replaced last time. i had the press in and press out task done at a local machinist shop. i supplied all the parts - new timken bearings and seals.

correct me if i'm mistaken, 2007 wrx wheel bearings WOULD work on my 99RS correct? last time i checked on Napaonline, they all have the same part number. in fact, as best as memory serves, the STi's also share the same bearings and seals part numbers.

all in all, i'm just looking for a bearing set that will last me a long time, as i do tend to be very rough on my cars (blew out a coilover recently). and i am willing to spend more money on something that will last.

----

just checked on Napaonline. the 99RS, 07WRX and 07STi all have the exact same bearing part numbers. now, i do not know if Subaru has changed it internally (got used to Toyota doing this on quite a few parts).
Napa is wrong.
Old Apr 28, 2009 | 11:20 AM
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Originally Posted by Paul@dbtuned
Napa is wrong.
i think my catalog is wrong too
28016 AA011NT

is what i came up with


93-09 impreza wrx and RS non turbo models

Last edited by sigma pi; Apr 28, 2009 at 11:22 AM.
Old Apr 28, 2009 | 01:27 PM
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Subscribed - I will have to do this on the rear of an '02 WRX soon as well. Can the whole kit (hub, bearing, housing, seals) be purchased as a unit or should I just get the parts separately? I don't have a press which is why I ask..
Old Apr 28, 2009 | 01:34 PM
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Joel, talk to Unit 91 here... He works at the Stevens Creek Subaru Parts department... He should be able to hook you up with parts.
Old Apr 28, 2009 | 01:36 PM
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they are seperate

wheel bearing number i cam up with

28016 AA030

the hub i dunno i came up with these
28052 AA031
28469 FE000
28052 AA031
Old Apr 28, 2009 | 01:49 PM
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Originally Posted by sigma pi
they are seperate

wheel bearing number i cam up with

28016 AA030

the hub i dunno i came up with these
28052 AA031
28469 FE000
28052 AA031
Your catalog is so... nevermind.

28016AA030 97-07 WRX, RS, OBS, et al.
28016PA010 -07 STi

The above are rear bearings.

The fronts are your NT number through 3/04. After they become 28316FE000. There are also hub/bearing units that are sealed units (i.e. STi).

08/09 cars used sealed hub/bearing units front and rear.

Of course this isn't totally detailed. I could go more into it, but it's a good enough idea.
Old Apr 28, 2009 | 01:59 PM
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Originally Posted by wombatsauce
Subscribed - I will have to do this on the rear of an '02 WRX soon as well. Can the whole kit (hub, bearing, housing, seals) be purchased as a unit or should I just get the parts separately? I don't have a press which is why I ask..
For all you fellas who can't get a hold of a bearing press, we have a nice hydraulic bearing press here at AHQ. I will be happy to have Jerry press in your bearings at a verrrry low price per hub. Say what $7.50? for each bearing pressed into the housing for you.

Let me know..

Oh, and as far as I know, everything comes separately...

Last edited by Ballz; Apr 28, 2009 at 02:01 PM.
Old Apr 28, 2009 | 02:04 PM
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In most cases bearings/hubs/seals are separate, but newer cars are using sealed hub/bearing units that bolt to the knuckle.



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