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Brake bleeding is cheap and relatively easy. All that's necessary are brake fluid, plastic tubing, a wrench (ideally a flare-nut/"line" wrench or 6-point socket to initially open the bleeder) and a clear bottle.
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The wheel-bleeding sequence varies depending on vehicle (front- or rear-wheel-drive) and method (1- or 2-person). For most rear-drive vehicles, begin at the wheel farthest away from the master cylinder (usually the passenger's side rear).
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Attach one end of the tube to the bleeder screw and put the other in a clear bottle to view air bubbles. Crack open the bleeder with a wrench while an assistant applies pressure to the brake pedal.
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Keep pumping and bleeding until air bubbles no longer gurgle in the tube and bottle. Then go the extra step and flush the system, continuing to bleed until only fresh brake fluid comes out.
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Top off the master cylinder periodically to make sure that the reservoir doesn't run dry and reintroduce air into the system. Keep the lids on both the master and bottle during bleeding to keep air out and fluid in.
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Old, contaminated glycol brake fluid is muddy brown. Dispose of it properly at an approved collection site. Recently introduced tinted brake fluids that makes a complete flush more obvious.
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