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Start with the wheel cylinder farthest from the master cylinder....open the brake bleeder screw and have a friend slowly depress the brake pedal. (make certain that the master cylinder is full and stays pretty well full as you bleed, if you run the master cylinder dry you will add air into the brake system and have to start over) When your friend has depressed the brake pedal to the floor then you close the bleeder screw - have your friend let the brake pedal back up. Open the bleeder screw up again and have the friend SLOWLY depress the pedal again. What you are aiming for is an OPEN bleeder while your friend depresses the brake pedal and a CLOSED bleeder screw as the brake pedal returns to the top. (Foot off of the brake pedal) Repeat until you see no more air and the brake fluid comes out clean. Which means that the new Brake fluid has travelled completely through to the wheel cylinder.
Watch the fluid coming out of the bleeder screw on the wheel cylinder, if it is dirty or has air bubbles then you need to keep bleeding.
It is also a good idea to wait uo to 10 seconds until your friend pushes the pedal back down again.
Try to keep an open line of communication with your friend so that you dont get out of sequence and he lets up the pedal with the bleeder screw open, which will pull air back into the system.
Just take your time...
Best of luck.
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∙ 14y ago
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