Bleeding brakes on GS400 - simple gravity bleed worked for me
05-13-13, 03:16 PM
#1
Bleeding brakes on GS400 - simple gravity bleed worked for me
I read a bunch of DIY brake bleeding threads and posts/tips. They all referenced needing to pump the brake pedal, turning the ignition on to make the fluid flow through ABS pumps and actuators, etc.
I did a simple gravity bleed as I do on all of my cars and motorcycles and it worked just fine. I did not need to pump the brake, and I did not need to turn the ignition on to activate any pumps to make the fluid bleed out of the rear bleeders. I am not sure what people are talking about. I switched from stock fluid to ATE SuperBlue and bled each corner until the fluid came out dark blue (it does take a really long time, particularly for the rears), so I am confident that the fluid was flowing through the system.
I am wondering whether the ignition-on suggestion has something to do with fluid in some chamber that isn't flushed when the lines are flushed. It is so easy to just let it drip one corner at a time while doing other stuff around the garage. My recommendation is to keep it simple and forego the extra steps outlined in the DIY threads. I should add- my brakes are bled at least a couple times a year (before every track day) so I am confident that the old fluid will mix in and get flushed out as well eventually.
I did a simple gravity bleed as I do on all of my cars and motorcycles and it worked just fine. I did not need to pump the brake, and I did not need to turn the ignition on to activate any pumps to make the fluid bleed out of the rear bleeders. I am not sure what people are talking about. I switched from stock fluid to ATE SuperBlue and bled each corner until the fluid came out dark blue (it does take a really long time, particularly for the rears), so I am confident that the fluid was flowing through the system.
I am wondering whether the ignition-on suggestion has something to do with fluid in some chamber that isn't flushed when the lines are flushed. It is so easy to just let it drip one corner at a time while doing other stuff around the garage. My recommendation is to keep it simple and forego the extra steps outlined in the DIY threads. I should add- my brakes are bled at least a couple times a year (before every track day) so I am confident that the old fluid will mix in and get flushed out as well eventually.
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