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Brakes & Suspension Forum sponsored by The Tire Rack |
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01-31-2007, 01:01 PM | #1 |
Scooby Newbie
Member#: 62525
Join Date: May 2004
Chapter/Region:
SCIC
Location: San Diego, CA
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Rear Brake Pads More Worn Than Fronts
I just had the 30K service on my 04 WRX (at non-dealer shop), and the tech showed me that the rear brake pads are pretty much done, while the fronts have about 40% left. I don't do any racing/hard driving, and the only mods i have are bigger wheels/tires, and B&G springs.
He said I should talk to the Subaru dealer and ask why the wear in the rear is so much worse than in the front, considering the fronts usually wear down before the rears. He mentioned that Subarus usually go to 40K before the rear pads need to be replaced. Is something wrong with my rear brakes, or is this normal wear and tear? I do use my parking break whenever i park the car, not sure if that would cause excess wear. Thanks for any suggestions
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01-31-2007, 02:13 PM | #2 |
Scooby Specialist
Member#: 39092
Join Date: Jun 2003
Chapter/Region:
MWSOC
Location: St. Louis MO
Vehicle:2004 WRX STi Java Black Pearl |
That's odd. I'm curious myself.
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01-31-2007, 10:27 PM | #3 |
Scooby Specialist
Member#: 135893
Join Date: Dec 2006
Chapter/Region:
NWIC
Location: right here
Vehicle:2017 STI WRB |
Same here, on my pre-purchase inspection on a 29k rex, the mechanic said the rears were at 20% and fronts were 50%. The subie mechanic thought that it was a little unusual but wasn't alarmed......
you are not alone - in both your situation or your confusion. |
02-01-2007, 06:35 AM | #4 |
Scooby Guru
Member#: 7164
Join Date: Jun 2001
Location: Arizona Bay
Vehicle:2000 Miata LS Evo Orange Mica (1/644) |
My '04 does the same thing, and generates more dust from the rears, too.
I've always suspected the EBD as the cause. |
02-01-2007, 11:08 AM | #5 |
Scooby Specialist
Member#: 118082
Join Date: Jun 2006
Chapter/Region:
SCIC
Location: STOPTECH
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We have heard about folks seeing increased rear brake wear on EBD cars, but mostly when the majority of their driving is around town at low speeds with lots of stop and go. The EBD systems are thought to be using more rear brake than the front in order to keep the car flatter under braking which is better for the driver and their passengers. Under more aggressive braking the fronts will be doing more work making pad wear more normal. We have not done any tests to prove this but are seeing this happen more and more on EBD cars.
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02-07-2007, 03:35 PM | #6 |
Scooby Newbie
Member#: 62525
Join Date: May 2004
Chapter/Region:
SCIC
Location: San Diego, CA
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Thanks for the information. Sounds like it may be a common characteristic.
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02-07-2007, 03:50 PM | #7 |
Scooby Specialist
Member#: 62595
Join Date: May 2004
Chapter/Region:
SCIC
Location: San Diego, CA
Vehicle:04 WRX Cobb S2 World Rally Blue |
Ya, my fronts are at like 50***37; and my rears are at like 15%... so I was like ... wait, wtf?
Glad I saw this thread and found out it wasn't just me. All my driving (well 95%) is city driving, so that makes a lot of sense. |
02-07-2007, 07:21 PM | #8 |
Scooby Specialist
Member#: 54598
Join Date: Feb 2004
Chapter/Region:
South East
Location: Orlando
Vehicle:2004 WRX Sedan WR Blue Pearl #68 STX |
same here, I have an 04, do mostly city driving, and my rears wore down faster than my fronts.
It has nothing to do with the handbrake, that has a seperate drum setup inside the hub of the rear brakes. |
02-07-2007, 09:03 PM | #9 |
Scooby Specialist
Member#: 135893
Join Date: Dec 2006
Chapter/Region:
NWIC
Location: right here
Vehicle:2017 STI WRB |
Yup, city driving here....
By the time my car's warmed up, I'm pulling into the driveway at work.... Thanks for the info - |
02-07-2007, 11:12 PM | #10 |
Scooby Specialist
Member#: 115454
Join Date: May 2006
Chapter/Region:
TXIC
Location: Spring, Texas
Vehicle:My 2002 WRX Wagon still gets compliments. |
Same here.
I recently took my car in for service, and the tech there showed how my rear brake pads were done, and the front barke pads were still good.
I guess it is normal. |
04-20-2007, 08:25 PM | #11 |
Scooby Newbie
Member#: 130292
Join Date: Oct 2006
Vehicle:2002 Forester White |
Happens on Honda's also
In addition to my Subie, I also own an Accord, and the same thing happens on the Accord. Had to replace rear pads at about 25 K, but didn't change the front pads until 43K. Majority city driving. The Honda forums have the same kind of discussions about why it happens. No consensus, but agreement that its common.
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04-21-2007, 05:22 AM | #12 |
Scooby Newbie
Member#: 82518
Join Date: Mar 2005
Chapter/Region:
Tri-State
Location: Eastern and western NY
Vehicle:2005 wrx Aspen White |
I have a 05 wrx. Same scenario here. Except my rear right one more worn than the rear left. But, in the big picture my rear is more than the front.
City Driving, also very agressive driver. Also, my rear right is making noise, like metal on metal. BTW, what is EBD? I'm guessing Electronic Brake...but dont know the rest. |
04-21-2007, 06:41 AM | #13 |
Scooby Guru
Member#: 7164
Join Date: Jun 2001
Location: Arizona Bay
Vehicle:2000 Miata LS Evo Orange Mica (1/644) |
Electronic Brakeforce Distribution
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04-21-2007, 06:59 AM | #14 |
Scooby Newbie
Member#: 124829
Join Date: Sep 2006
Chapter/Region:
SWIC
Location: East Valley AZ
Vehicle:2005 STI WRB/Gold |
I have an 05 STi with 34.5K on it. Rears just got changed by dealer. Fronts are at 30%.
Rears were making a clicking noise from take off going forward or reverse. Just an FYI in case anyone hears the same and wonders what it is. You know how we all drive around with our heads out the window wondering what all these noises are. |
04-21-2007, 08:33 AM | #15 |
Scooby Specialist
Member#: 118082
Join Date: Jun 2006
Chapter/Region:
SCIC
Location: STOPTECH
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That clicking noise is pad shift that is extremely common with the factory Brembos. You may find that your new pads end up doing the same thing.
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04-21-2007, 10:36 AM | #16 |
Scooby Guru
Member#: 39086
Join Date: Jun 2003
Chapter/Region:
NWIC
Location: Portland, OR
Vehicle:2004 STi White |
Normal. Under light use the rears wear more.
A bias thing. |
09-10-2013, 08:02 PM | #17 |
Scooby Newbie
Member#: 367999
Join Date: Sep 2013
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Thread necro, terribly sorry:
Should this same effect occur on my '00 2.5RS? It probably doesn't have EBD, yet my rears are 100% totally gone down to bare metal after 30k miles and my front almost look like they haven't been used at all, perhaps 10-15% used. Should I be looking at potential issues, or is this just how they are? |
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