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Changing one's brake fluid

2355 Views 12 Replies 6 Participants Last post by  Chewie.
Anyone want to post up a step by step? I do not believe it has been covered yet.
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1 - Remove master cylinder cap.
2 - Fill MC with fluid and replace cap.
3 - Connect hose (Tygon, etc.) to bleed valve. Place open end of hose in jar or bottle.
5 - Loosen bleed valve, squeeze lever slowly, but firmly. While holding lever compressed, tighten bleeder valve.

Repeat until clear fluid comes out of hose on calipers. When MC becomes 3/4 EMPTY, add fluid.

Move to other caliper and start again.

The use of easy bleeders, will allow you to not have to tighten bleeder valve between compressions of lever.
my way is a little different
1.take off m/c cap and suck out most of the fluid with turkey baster.
2. take a piece of clear hose that will fit snug over the bleeder ( i wrap a little teflon tape around the bleeder for extra snug fit) stick one end of hose on the end of a mixmizer syringehttp://www.autobarn.net/mix2cycfuelm.html
3. draw fluid into syringe and hose and stick the hose on the end of the bleeder
4. situate your set up so the hose arcs like an upside u with the high point above the bleeder( all the air will stay in the high part of arch)
5 open bleeder and inject fluid watching the m/c it will fill up.
6 keep injecting fluid until the m/c fills with clear fluid. DO NOT take the hose off the bleeder without first closing the bleeder.
7 repeat on other bleeder
it took me longer to write this up than it takes me to replace my fluid using this method. my brakes are always rock solid after using this method :wrench:
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briank said:
it took me longer to write this up than it takes me to replace my fluid using this method. my brakes are always rock solid after using this method :wrench:
Come do my brakes. j/k. Thanks guys.
where are you at???
Question #2. My rotors are dirty and my front break squeaks a little. Besides flushing my brake fluid, can I use that fast desolving brake cleaner on the rotors?

THANKS
KarmaPunk said:
Question #2. My rotors are dirty and my front break squeaks a little. Besides flushing my brake fluid, can I use that fast desolving brake cleaner on the rotors?

THANKS
If after cleaning the rotors your brake still squeaks/squeals, remove the pads and smear a tiny amount of high melting point copper grease on the back of the pad where they contact the piston, and reinstall......no more pad squeal. Make sure you use only a tiny amount and make sure you dont get it on any other part of the pad.
OK, so I followed the standard pump the brake lever directions and it seemed to work. (Surprisingly, the fluid was clear, only the stuff in the MC was dirty) The brake lever tension is firm and I stopped it a few times going around the block. How do I know for sure? I just don't want to miss anything. The MC is full and clear, the bleeder valves are nice and tight. Any other checks I should do? Whats this talk about air bubbles, i didn't see any?

THANKS - Matt
Cashiers check, $100 or more, I'll PM my address! ;D

Sounds like you are in good shape!
Front brakes are rock solid.

Question, is the resivour supposed to be air free? IS that what the upside down nipple is for?
I just swapped the brakes for a GSXR set up. How do you work in the bleeder on the MC? I've been trying to fill the lines, calipers and MC, but nothings happening, the resivoir stays at the same level, no fluids moving anywhere. I'm fairly certain there's no prob's with the MC. But I'm baffled, I can't figure out whats wrong.
legman said:
If after cleaning the rotors your brake still squeaks/squeals, remove the pads and smear a tiny amount of high melting point copper grease on the back of the pad where they contact the piston, and reinstall......no more pad squeal. Make sure you use only a tiny amount and make sure you dont get it on any other part of the pad.
Got my bike back from my 6K service and they said she was in great shape. However, one of the things I asked them to check out was the front brake squeak and when they gave her back they said it was dirt. So I thought that meant they clean it but SHE STILL SQUEAKS.

Can someone please post steps on how to remove a brake pad correctly and apply some copper grease to the back of the pads? Its driving me crazy! Thanks. Much Appreciated

ps. since I change the oil myself, my 6k service was only 1 hour labor - 80 bucks! ;D
Hey Karma....see my response in the brake squeal thread
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