Brake bleeding problem

[que4dog]

I had to remove my rear brake line to change the swingarm for my 2002 busa. Now I have NO rear brakes. I tried bleeding the brakes - by adding fluid, pumping the rear brake lever then opening the valve while holding down the lever. I did this for each of the two rear bleeder valves.

Did I do something wrong? I heard someone speak of a Mityvac. Do I need a mityvac? and what purpose does it serve?

Can someone give me step by step instructions if I don't have a mityvac if possible?

 

[The Oracle]

The Mityvac is not necessary, it just makes the job quicker and easier.

You are doing it right... If you drained the M/C, it will take a LONG time to finally get the fluid to run through the line.

BTW - you have two bleeder valves on the rear?? I thought there was only one. At least, I only used one when bleeding my brakes.

 

[The Oracle]

My fault... I just looked and found a second valve on the back side... Weird!

 

[maoz]

I was having a real problem with bleeding the hydraulic clutch on my Busa (it uses brake fluid too), as well as the brakes on one of my ATVs. I bought the Mighty-Vac at Sears on Friday, and by Friday evening I had the brakes and my Busa's clutch working perfectly. The Mighty-Vac cost me $35 (money very well spent) and it basically sucks the brake fluid, and the air in the lines, out of the bleeder valve. Very handy indeed

 

[Rhythm]

Just make sure you dont empty out the res cylinder when purging your brake lines of air. Keep adding fluid when it gets half way empty.