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Joined: Sep 2002
Posts: 350
CEG\'er
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OP
CEG\'er
Joined: Sep 2002
Posts: 350 |
Getting another set of new rotors today cause the ones on the car are warped and just replaced them in 2001. What causes these rotors to warp so soon. Thank God they are only $24.00 at Advanced Auto, but just wanted to know what may be causing this. Could I have bad Calipers or something?
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Joined: Apr 2001
Posts: 383
CEG\'er
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CEG\'er
Joined: Apr 2001
Posts: 383 |
Rotors rarely actually warp. What happens is they develop hard spots which make themsleves worse over time, by way of getting hotter than the surrounding material, and those hard spots stay "high" relative to the rest of the rotor and then you have the real problem: Disc Thickness Variation.
It can be caused by improper bedding of the brake pad material, it can be caused by using the brakes too hard and then sitting with your foot on the brake, it can be caused by improper rotor seasoning, and it can be caused by [censored] rotor material in the first place.
Pacific Green '96 Contour LX V6
â??98 GTP, light mods, 14.66/94
Calypso Green '92 Mustang LX coupe, 13.56/101
Crown Autocross Club 1999 Street Tire Champion, 2000/2001/2002 Street Modified Champion
KCR SCCA 2002 Solo II Street Modified Champion
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Joined: Aug 2002
Posts: 1,785
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Aug 2002
Posts: 1,785 |
It can also be caused buy heating up the brakes and cooling them too quickly.
Just a Plain SE.
AKA Big Country
I maybe path914's B**** now, but wait until he needs his clutch done. We will see WHO is WHO's B**** then!
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Joined: Sep 2000
Posts: 3,223
"Absolut Rara."
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"Absolut Rara."
Joined: Sep 2000
Posts: 3,223 |
It can also be caused by improper lug torqueing procedures. 4-lug hub designs are more prone to this than others.
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Joined: Aug 2002
Posts: 1,228
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Aug 2002
Posts: 1,228 |
Originally posted by MFE:
... and it can be caused by [censored] rotor material in the first place.
It's not like he bought cheap rotors. They were $24 each. 
He should start off with a higher quality rotor, IMO
My name is Richard. I was a Contouraholic.
NOW: '02 Mazda B3000 Dual Sport, Black
BEFORE: '99 Contour SE Sport
Duratec ATX Spruce Green
PIAA 510's, Foglight MOD, K&N Drop-in
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Joined: Apr 2003
Posts: 937
Veteran CEG\'er
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Veteran CEG\'er
Joined: Apr 2003
Posts: 937 |
My rotors warped because some of the vent holes rusted closed. I think it was from the salt on the roads during the winter.
Former owner: 1999 Contour SE Sport
Current: 2000 Eclipse GT
There are three ways to do things: the right way, the wrong way, and the Max Power way!
Isn't that just the wrong way?
Yeah, but faster!
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Joined: May 2002
Posts: 21,653
I have no life
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I have no life
Joined: May 2002
Posts: 21,653 |
It can also be caused by a time portal.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15
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Joined: Oct 2000
Posts: 3,867
Hard-core CEG'er
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Hard-core CEG'er
Joined: Oct 2000
Posts: 3,867 |
Originally posted by Kremithefrog:
It can also be caused by a time portal.
Seriously, though, I'd look first at a good quality set of rotors. Then, a torque wrench. Then a proper seasoning and bedding.
Function before fashion.
'96 Contour SE
"Toss the Contour into a corner, and it's as easy to catch as a softball thrown by a preschooler." -Edmunds, 1998
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