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08-31-2003, 10:36 AM | #1 |
Scooby Newbie
Member#: 18048
Join Date: Apr 2002
Location: Manhattan, NYC
Vehicle:2002 Impreza Wagon Blue |
Brake gurus...quick question
Hey guys,
Just wondering if it is "usual" that disk rotors get replaced after *edit* 23K *edit*miles or so...the local guy after my State Inspection told me that my pads were in close need of retirement, and if I was going to do that, I might as well change the rotors as well since they are "all grooved up." He was saying that resurfacing is a definite possibility but that performance would never be as good as original and that it would pretty much cost about half the amount of replacing the rotors. Any opinions on what should be done? I don't think I have enough money to replace the entire brake kit, so thats probably out of the question! Haha...Would love to though... Thanks! Jim
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Last edited by BlueWRXagon; 08-31-2003 at 08:04 PM. |
08-31-2003, 12:48 PM | #2 |
Scooby Specialist
Member#: 32371
Join Date: Jan 2003
Location: formerly known as mem. # 10615
Vehicle:'02 t-rex wagon platinum |
ideally, it would be great to replace both the rotors and pads, however, rotors aren't cheap.
as long as the rotors are still w/in manf. spec.s, i would just have them resurface. i usually resurface my rotors once or twice only, and swap them after that. |
08-31-2003, 03:23 PM | #3 |
Scooby Specialist
Member#: 6570
Join Date: May 2001
Chapter/Region:
South East
Location: Dunedin, FL
Vehicle:04 WRXSW 9.3 TRB0 CNV |
I've had my rotors turned twice (still within spec) $9.00 each at the locol car parts store.
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08-31-2003, 05:32 PM | #4 | |
Scooby Guru
Member#: 7089
Join Date: May 2001
Chapter/Region:
NWIC
Location: Western Wa
Vehicle:2016 STi |
My stock pads lasted me about 7,000 miles... They are wear items - the more/harder you work them, the quicker they go.
From the June 2001 Tech Tips: Quote:
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08-31-2003, 08:07 PM | #5 |
Scooby Newbie
Member#: 18048
Join Date: Apr 2002
Location: Manhattan, NYC
Vehicle:2002 Impreza Wagon Blue |
So it seems that opinion says that this is a normal thing for the disks to need to be resurfaced, and certainly more cost effective...
Good. Thanks guys! Jim |
09-01-2003, 01:51 AM | #6 |
Scooby Specialist
Member#: 33868
Join Date: Mar 2003
Location: Chesterfield, MO
Vehicle:2003 wrx srp |
Why not just slap some new pads in there? How thick are they? Does "all grooved up" mean there was metal to metal contact? Are the surfaces fairly smooth?
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09-01-2003, 07:36 AM | #7 |
Scooby Newbie
Member#: 18048
Join Date: Apr 2002
Location: Manhattan, NYC
Vehicle:2002 Impreza Wagon Blue |
Rick, I have no idea what he means exactly...that is just what he told me. But I will most likely just end up getting new pads and resurfacing the disks, since I don't really have money to throw away right now! Thanks!
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09-01-2003, 12:10 PM | #8 | |
Scooby Specialist
Member#: 33868
Join Date: Mar 2003
Location: Chesterfield, MO
Vehicle:2003 wrx srp |
Quote:
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09-02-2003, 01:35 PM | #9 |
Scooby Specialist
Member#: 8062
Join Date: Jul 2001
Location: Moreno Valley, CA
Vehicle:2002 WRX Silver |
Resurfacing rotors is always a good idea when replacing pads. If you are a leadfoot then it's an even better idea. It promotes proper pad seating. I know my rotors sometimes get glazed over from very aggressive on ramp/off ramp behaviour and cutting them can sometimes remove that surface quality.
You should see brakes from showroom stock cars! New pads and rotors after every race event. They look like crap when done and no metal to metal contact. |
09-02-2003, 02:05 PM | #10 |
Scooby Guru
Member#: 15543
Join Date: Feb 2002
Vehicle:555 Having a Subaru shop means too many cars |
The only time you dont need to resurface the rotors is when you replace the pads with the same type that wore out. Unless of course they are warped.
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09-02-2003, 05:25 PM | #11 | |
Scooby Specialist
Member#: 33868
Join Date: Mar 2003
Location: Chesterfield, MO
Vehicle:2003 wrx srp |
Quote:
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09-02-2003, 06:05 PM | #12 |
Scooby Guru
Member#: 15543
Join Date: Feb 2002
Vehicle:555 Having a Subaru shop means too many cars |
I dont understand "Aren't they both going to wear away anyway?"
Using a different pad material on the rotor without turning it can cause strange problems depending on how compatible the material is. You could end up with uneven deposits of material (vibration) among other things. |
09-03-2003, 04:05 PM | #13 |
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Vehicle:1998 Impreza L-SOLD Arcadia Green |
Learn from my mistake, don't buy cheap brake pads (WearEver Silver, etc.). I put these on my girlfriend's 200SX and 3,000 miles later I was replacing the pads and rotors. These WearEver Silver's were too hard for her rotors and only lasted 3 months. It was the oddest thing I've ever seen, it looked like the metallic flakes in the brake pads bonded together to create hard spots in the pad. This caused them to groove the rotors beyond resurfacing. Funny thing is, they never made a sound until they had tore the rotors to shreds. I thought if this happened it would be a gradual thing, not so.
Tomorrow I'm sending the pads and rotors to WearEver to have tests done to see if they'll replace the rotors their pads tore up. Not only did they tear up the rotors, they tore up themselves. There were even nasty grooves and holes in the brake pads, strange. You can get bad batch of anything, rather it be thermostats, brakes, etc., and I think this is what happened. 3 out of the 4 pads were grooved, had holes in them, and had chunks of shiny metal sticking out of them. All this and the new crap pads never lost any thickness. No, my girlfriend doesn't drive like an idiot so I know she didn't overheat and crystallize the pads. We live and drive on flat roads. My question, what the heck happened to those brake pads? -Charles- |
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