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any good instruction on how to bleed the brakes ??

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Old 02-25-2005 | 11:31 AM
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Teser's Avatar
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any good instruction on how to bleed the brakes ??

Would really appreciate the help.
Old 02-25-2005 | 12:29 PM
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adithius's Avatar
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Get a bleeding kit. Get a friend.

Put the kit to the bleeder. Loosen the bolt. Ask your friend to push the brake with good pressure until all the bubbles come out. (if your trying to flush all the fluid keep the bleeding going for a bit, and dont let the master cylider run dry) Dont let air into the system.

Do all four. Then refill w/New Fluid.
Old 02-25-2005 | 11:23 PM
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There are two main ways to bleed the brakes, the hard way or the easy way. In either case make sure you have a quart of brake fluid, 1 foot of ¼” clear tube, rust away or WD-40, the right wrenches for the bleeder valves, and a mason jar or something similar to keep the old brake fluid in before properly disposing it.

The first method involves having a helper to pump and hold the brakes while you open and close the bleeder valve. Keep the hood open and CONSTANLY KEEP AN EYE ON THE FLUID LEVEL IN THE BRAKE RESEVIOUR. If you run it dry it will make your job a lot more difficult. Remove the cap from the brake reservoir and make sure it is at the top level. You want to start as far away from the master cylinder and work towards it so, you want to bleed your brakes starting from the rear passenger side, rear driver side, front passenger side and finish with the front driver side. The way I have done this is to use three commands to the helper, Pump, Hold and Relax. Place the ¼” tube over the end of the bleeder valve with the wrench on. Insert the other end into the jar. Have your helper pump the brakes a few times the hold them down. Open the bleeder valve until the brake fluid stops exiting the tube. Close the valve and ask him to relax. Repeat this until you feel like you have removed all the air. Remember to keep checking the reservoir level. Continue on until you do all four caliper/drums and test them out.

The easier method is the same but only takes one person and does away with the pump hold relax. Get a vacuum pump kit. You can get a decent one for about $20 and once you use one you will wonder why you did it the hard way before. I got mine from AutoZone. Bleed them in the same order and remember to keep checking the reservoir level.
Old 02-25-2005 | 11:49 PM
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1. connect vinyl tube to air bleeder valve
2. fully depress brake pedal several times
3. with brake pedal depressed, open air bleeder valve to release air
4. close air bleeder valve
5. release brake pedal slowly
6. repeat steps 2 through 5 until clear brake fluid comes out of air bleeder valve.

bleeding order:
RR --> LF --> LR --> RF

** DON'T LET MASTER CYLINDER RUN DRY **
Old 02-26-2005 | 01:55 PM
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Thanks a LOT

Thanks a LOT for all the replies.

Did the procedure today after replacing rear brake cylinders.
Got some DOT3 brake fluid ($3) and brake bleed system ($9) from pepboys.

Found a proper order in Max service manual R rear > L front > L rear > R front
BTW, service manual suggests to disable ABS system before doing the bleed (disconnecting negative battery cable works fine)
Also found a good writeup on the subj http://www.stoptech.com/whitepapers/...rakesright.htm

Bottom line - after almost three hours (including replacement of brake cylinders) finished the procedure. Took a long test drive - so far so good.

Thanks again for the info!
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