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357 Posts
I replaced the front brake pads and put another master cylinder on my bike. I bleed the master cylinder 1st by pumping the brake lever several times and held it then loosened and tightened the banjo bolt. It seems like i got all the air out of the master cylinder because there are no air bubbles coming up in it when i pump the brake lever...
Then i pumped the brake lever and held it then loosend and tightened the caliper bleeder valve and did this quite a few times and made sure that the fluid level in the master cylinder didn't get low. I put a loop in the drain hose that i used and filled the drain cup with fluid to make sure no air got in that way...
The brakes still feel spongy...you have to pull the brake lever in almost half way before the brake lever gets hard. I'm wondering how many times you might have to bleed it at the caliper to get all of the air out of the brake line?
Then i pumped the brake lever and held it then loosend and tightened the caliper bleeder valve and did this quite a few times and made sure that the fluid level in the master cylinder didn't get low. I put a loop in the drain hose that i used and filled the drain cup with fluid to make sure no air got in that way...
The brakes still feel spongy...you have to pull the brake lever in almost half way before the brake lever gets hard. I'm wondering how many times you might have to bleed it at the caliper to get all of the air out of the brake line?