Question about Toyota Cargo
Seems like your on the right path, Maybe the technique is wrong. Have you installed a master cyclinder and then bled the brakes on something else and it worked good? Most of the time if your not useing a power bleeder ( you don't need one ) you need two peale to do this job good. With your pedal pumper friend at the wheel, Have him (or her) pump the brakes several times making sure to let the pedel come all the way up. ( can you make sure that the pedel is coming all the way up, as it's adjustable at the pedel ) the pedal need not hold the master down at all . With this checked and it pumped up and the pumper hold ing the pedal down, Loosen a break line wher it connects to the master cyclinder, Listen and watch for air as the pedel goes down, keep the pedal down till you tighten the line back up. Have your pumper person pump it back up again, then do another line, no air and it's still bad, move on to the rear wheels first. Every time you let out some fluild check to see if it's full and fill it as this takes some fluild to get-r-dun. Have your pumper pump till they get as much pedal as they can and hold it down and open the bleeder and tighten it back as before with the pedal still down. Do it several times till no evidence of fluild haveing air bubles is gone ( straight fluild ) Do all the bleeders this way, making sure you don't run out of fluild. Wipe everything off and make sure it's full as you work. Now all this work is after you've done a complete brake teardown right? The rear shoes should be touching the drums ( very lightly ) The front brake pads have plenty of pad and the roters are smooth and unscored. If the rotors are rough they make the pistons return too far as you let up on the pedal and give a all the way down feeling. The rear shoes trying to move much will also do this. The drum being bell shaped is often the cause of this, A rear wheel cyclinder leaking may not leak out onto the tire but introduce air that undoes the bleed job.
Posted on Aug 22, 2010
Did you prime the piston in the master cylinder before installing it? If no the seals are shot
Posted on Aug 22, 2010
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Posted on Jan 02, 2017
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