Quote:
Originally Posted by Riickengl
I hand pumped for ever it seemed like that why I decided to use the vacuum. I understand the air wanting to go up.. there isn’t a bleeder valve on the master so I’m stuck at the caliper.. the brake pads aren’t compressing at all. I’ve lost the whole dang system. I’m great with auto brakes, but this has me stumped!
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I had exactly the same problem on my car clutch and could only complete bleeding it with fluid been pressurized to 28psi/2atm.
Here is what is specified in the manual. First you bleed the master cylinder and only then you bleed the caliper.
○The procedure to bleed the front brake line is as follows.
Bleeding the rear brake line is the same as for the front
brake.
•Remove the reservoir cap [A] and diaphragm. •Fill the reservoir with fresh brake fluid to the upper level
line in the reservoir. •Slowly pump the brake lever several times until no air
bubbles can be seen rising up through the fluid from the
holes at the bottom of the reservoir.
○Bleed the air completely from the master cylinder by this
operation.
Remove the rubber cap from the bleed valve [A] on the
caliper. •Attach a clear plastic hose [B] to the bleed valve, and run
the other end of the hose into a container.
•Bleed the brake line and the caliper.
○Repeat this operation until no more air can be seen coming
out into the plastic hose.
1. Pump the brake lever until it becomes hard, and apply
the brake and hold it [A].
2. Quickly open and close [B] the bleed valve while holding
the brake applied.
3. Release the brake [C].
NOTE
○The fluid level must be checked often during the bleeding
operation and replenished with fresh brake fluid as
necessary. If the fluid in the reservoir runs completely
out any time during bleeding, the bleeding operation
must be done over again from the beginning since air
will have entered the line.
○Tap the brake hose lightly from the caliper to the reservoir
for more complete bleeding.