SOHC.co.uk Forums > CB750
Nobody will have as much fun as me today!!
MarkCR750:
Because I am bleeding my front brakes!, I am determined to enjoy every hour/day of this miserable ..........sorry I meant enjoyable process :), so far I have connected everything up, I have the started with the conventional method, pumping the fluid down from the reservoir, then switched to pumping fluid back up to the reservoir through the bleed nipples using a syringe, then gone back to conventional method and the fluid coming out of the callipers now has no bubbles, I'm about 1 and a half hours into the process and the brakes are functioning but the lever is spongey.
I have just tied the lever back to the bar and come inside for a coffee, I'm not sure what tying the lever back achieves but read on this forum that it helps?, leave overnight?, can anyone explain?.
Next plan is probably to raise the callipers above the reservoir and conventionally bleed again, PITA though as I have to unbolt the callipers etc, anyway retaining a good positive mental attitude at present, haven't thrown anything across the garage yet or kicked the dog so going well, any advice will be welcome, cheers Mark.
JamesH:
Mark, kick the dog, it'll make you feel better...
LesterPiglet:
I don't have a definite answer to tieing the lever back. I'm guessing it leaves a clear line from the caliper to the master cylinder so all the air bubbles can accumulate up top. Let the lever out gently when you untie it and you will probably see some air escape.
Oh! Fun. I'm in a steamy bedroom stripping. ;)
Johnwebley:
my method is to fill the calipers full of fluid,,then press the piston in fully to send the fluid up to the mastercylinder,
,repeat the process a few times,and it works for me,also bleed from the nipples to make sure aswell
the spongy lever could be due to the pads not bedded in,and meeting the disc flush,
MarkCR750:
--- Quote from: LesterPiglet on April 25, 2014, 11:35:18 AM ---I don't have a definite answer to tieing the lever back. I'm guessing it leaves a clear line from the caliper to the master cylinder so all the air bubbles can accumulate up top. Let the lever out gently when you untie it and you will probably see some air escape.
Oh! Fun. I'm in a steamy bedroom stripping. ;)
--- End quote ---
Thanks for that distinctly unpleasant mental image Lester!.
Cheers all, I've moved onto the XJR giving her an oil change, much more pleasant task!, I will leave the CR brakes until tomorrow hopefully letting nature/physics take their course, but in reality I guess their are a few frustrating hours ahead :), James, plan B will be to go out and purchase a small dog (don't want a big one in case it retaliates).
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