How To: Bleed Brake Lines And Calipers
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12 As soon as we cracked the bleeder, air came out, and we got a fairly solid lever. The pump-type oil can actually added bubbles to the fluid as we pumped due to cavitation, so we had our helper repeatedly pump and hold the lever and keep the fluid level up. Each time he would hold the lever, we would crack the bleeder. As soon as the fluid is all the way around the loop in the hose, no air can back into the caliper. We opened the bleeder valve, and simply pumped the fluid through with the lever. We kept the reservoir filled, and stopped when we no longer saw even small bubbles exiting the caliper into the hose loop. View Related Article
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