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Thread: Rust on brake rotors
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02-24-2006, 09:41 AM #1
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Rust on brake rotors
My car has been sitting for about 3 months and rust has developed on the rotors. when i was braking today i noticed a hissing sound-is this the rust being scraped off? is the hiss a non-related sound? is the rust a problem?
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02-24-2006, 09:46 AM #2
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Black, Blue- 07 TBSS, 07 GSXR1000
Rust just set up on them and after driving tit for a while it will clean itself back off. Mine did that when it was parked for a month and a half.
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02-24-2006, 11:08 AM #3
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In high humidity I get some rust on mine overnight. Doesn't make any sounds though...wouldn't worry about the brakes as long as you have good pressure.
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02-24-2006, 11:32 AM #4
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lets talk more about "pressure"...i jsut had my front breaks bled by my friend. They were kinda soft b4 i hibernated the car and when it came out, my buddy and i bled the front breaks, but they still feel kinda soft.
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02-24-2006, 11:33 AM #5
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navy blue- 2002 trans am ws6 convert
That sound is normal on cars with exposed rotors. It should go away after you drive it for a short distance. It also helps if you get the car going 20 or 30 mph then get on the brakes hard. This should help clean them off after a couple times.
Last edited by bigtone263; 02-24-2006 at 11:35 AM.
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02-24-2006, 11:51 AM #6
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Whenever I bleed brakes for any reason, I always do all 4 - RR, LR, RF then LF.
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02-24-2006, 04:30 PM #7
I'm no expert, but have you gone over all the hoses? Also I think that you have to vacuum bleed systems with abs, doesn't hurt to do it any anywas and get a full flush.
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02-24-2006, 07:09 PM #8Originally Posted by Orcus79
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02-26-2006, 03:22 PM #9
rust on brake rotors isnt a problem if its only surface rust. but on lots of american cars that sit for real long periods of time tend to have rust that gets very deep and results in pitting and in most cases means rotor replacement. if its jus surface rust take the car up to 30 a few times and stand on em. as far as a soft pedal goes flushing the fluid out and gettin new fluid is a good thing to do if your cars fluid is around 2 to 3 yrs old. bleeding will help a lot but not when your fluid has water in it. brake fluid is hydroscopic which means it absorbs moisture. water boils, brake fluid doesnt. if you have water in your lines you will have boiling fluid which leads to the mushy pedal. this is not good. also water in the lines can lead to premature rotting of your brake lines, which is really not good. check your lines for leaks.
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02-27-2006, 05:35 AM #10
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so i should take this to firestone and have them do the brakes?
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02-27-2006, 01:19 PM #11
is it still doing it? take it out for a normal drive if it still does it after a couple stops at lights its not rust, its something else, how are your pads?
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02-27-2006, 01:24 PM #12
his pads are good, it was just a bitch to bleed to say the least
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02-27-2006, 01:40 PM #13
u let joel bleed your breaks thats your problem, J/k lol
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02-28-2006, 05:47 AM #14
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the pedal is still soft. I don't have a leak...maybe it's b/c we only did the fronts and not both?
BONER! get over here and fix my shit....
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02-28-2006, 05:57 AM #15
maybe u do have water in your lines, i thought you said they felt the same as they did before you put it away for winter?
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02-28-2006, 08:13 AM #16
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and i said it was soft b4 the winter. gaybo.
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02-28-2006, 08:14 AM #17
thats what i mean so there about the same then as they were before
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08-10-2007, 04:46 PM #18
I searched for this topic and mine start showing rust in only a few days. Of course when I take it for a quick spin, it's all gone. Of course this will happen when I store it this winter for 4-5 months right. Is this anything to worry about? Thx guys
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08-10-2007, 05:00 PM #19
theres surface rust and there real rust. real rust can cause runout problems, brake pulsations, noise etc. if you get really deep rust and pitting even a rotor cut wont help. but lots of times if its minor rust they can be cut and good to go. no more pulsations and a nice new contact surface. 4 to 5 months stored outside and you are very likely to get bad rust. hence why when theres no snow on the ground i take my stang for short spins etc.
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08-10-2007, 05:12 PM #20
It'll be inside but of course it'll still be very cold. It can get below 0 sometimes, like -10 at about the most extreme, but most of the time it'll be about 20 degrees. Do I still need to worry, or should I take it for a spin about every 2-3 weeks for good measure? Of course I won't have collision on my insurance coverage, and I'll only take it out if its dry. What do you think?
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