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Old 07-11-2002, 05:06 AM   #1
duckboy
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Member#: 6243
Join Date: May 2001
Location: torrance, ca
Vehicle:
2004 XT
hi-yo silver

Default wearing bearings & long brake pedal stroke?

anyone seem to be getting this symptom?

if i go through a series of hard turns w/o braking and then come upon a straight section where i need to brake, my brake pedal stroke seems to be longer than usual and it throws off my braking distances.

i confirmed this w/ gary sheehan and he mentioned that i could very well have premature worn front bearings. the reason behind the longer pedal stroke is because the worn bearings are allowing the axles to deflect more than usual and thus allow the rotor to tilt/angle/deflect w/ respect to the caliper thus pushing the pistons further back into the caliper. thus, when i apply the brakes, the resevoir has to push more fluid to reset the caliper pistons.

anyway, does anyone seem to having this anomoly or just me?

please let me know!!!

duckboy
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Old 07-11-2002, 05:26 AM   #2
duckboy
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Member#: 6243
Join Date: May 2001
Location: torrance, ca
Vehicle:
2004 XT
hi-yo silver

Default worn bearings

yeah, but, i only have 11.6k mi on my WRX!!!

this just isn't right!!! this would have never happened on my civic si.

how much are we looking at to get the front bearings replaced?

what year is your car and how many miles do you have?

thanks for you help.

duckboy
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Old 07-11-2002, 06:30 PM   #3
duckboy
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Member#: 6243
Join Date: May 2001
Location: torrance, ca
Vehicle:
2004 XT
hi-yo silver

Default feedback please

anyone else getting this long brake pedal effect from worn bearings?

i'm especially interested in what car you have (GD or GC) and how many miles are on your car.

thanks

duckboy
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Old 07-11-2002, 06:46 PM   #4
OnTheGas
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Join Date: Jan 2001
Chapter/Region: SCIC
Location: Orange, CA, USA
Vehicle:
2002 WRX Sedan
Silver, tinted

Default Re: worn bearings

Quote:
Originally posted by duckboy
yeah, but, i only have 11.6k mi on my WRX!!!
Jeez... all that track and auto-x time, and only 11.6k miles total!
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Old 07-11-2002, 07:38 PM   #5
GarySheehan
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Location: SF Bay Area
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1996 2005 Subaru STI
White

Default

You can do it yourself if you are brave and have a hydraulic press.

Gary
Sheehan Motor Racing
www.teamSMR.com
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Old 07-11-2002, 08:41 PM   #6
duckboy
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2004 XT
hi-yo silver

Default :)

thanks for all your help gary in helping me to diagnose this problem. i don't think you know how long this has been bothering me.

but as for trying it myself, well, 1) i'm not brave on tackling something like this, and 2) i do not have a press

duckboy
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Old 07-11-2002, 09:19 PM   #7
jeffg
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2001 6.0?RS

Default

so is this basically the same end result as knock back from a warped rotor?

J
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Old 07-11-2002, 10:00 PM   #8
duckboy
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Join Date: May 2001
Location: torrance, ca
Vehicle:
2004 XT
hi-yo silver

Default pad knock back

yes, in fact this is pad knock back but not from a warped rotor but from excessive amounts of rotor deflection relative to the brake caliper all due to what it seems premature brearing failure.

again, i can't believe this happened after only 11.6k miles. what a joke.

duckboy
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Old 07-12-2002, 05:09 PM   #9
duckboy
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Location: torrance, ca
Vehicle:
2004 XT
hi-yo silver

Default ???

anyone else???

duckboy
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Old 07-12-2002, 05:30 PM   #10
shuman
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Join Date: Aug 1999
Location: Boston, MA USA
Default similar...

the subaru bearings suck...
i'm documenting so i can talk to a SOA rep and get store credit...
front and/or rear bearings should not fail this early even if hard driven...

****ty design. they replace with legacy bearings for rear now...not sure of the front.

hopefully they will put in a recall for this issue.

shuman
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Old 07-12-2002, 08:49 PM   #11
duckboy
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Member#: 6243
Join Date: May 2001
Location: torrance, ca
Vehicle:
2004 XT
hi-yo silver

Default !!!

shuman,

thank you very much for your reply. yes i realize now how crappy the subaru bearings are. but i did NOT realize that the legacy design has been revised. very interesting point!!! well, on that note, yes our WRX pieces should have been redesigned before release.

on another similar note, are the WRX Type RA Spec C bearings the same as the legacy pieces? i heard this car's output shafts are bigger than our pieces.

duckboy
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Old 07-13-2002, 01:55 AM   #12
Jsunn
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Location: Reston, VA
Vehicle:
2013 BMW 335i xDrive
White

Default What kind of noise are you hearing?

Quote:
Originally posted by brucelee


I'm sorry to say, but you need to get your wheel bearings replaced.

(I need to do it soon... mine are making horrible noises now... D'oh!!)
What kind of noise are you hearing? I am hearing what seems to be a slight rubbing noise when the car is in a turn, i.e. a side load on the wheels. I have an apointment with the Subaru service dept next week. Should I have them look at the bearings?

Thanks,
-J
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Old 07-14-2002, 02:44 AM   #13
Jsunn
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Location: Reston, VA
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2013 BMW 335i xDrive
White

Default bump

bump for bad bearings.....
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Old 07-15-2002, 12:36 AM   #14
duckboy
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Member#: 6243
Join Date: May 2001
Location: torrance, ca
Vehicle:
2004 XT
hi-yo silver

Default bearings...

no bearing noises for me, YET. just a long brake pedal. i'm sure it's just a matter of time before it gets worse.

anyone else w/ this problem?

duckboy
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