Brake System Bleeding
#1
Lexus Test Driver
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Brake System Bleeding
Has anyone gravity bled the brake system on a 1st Gen? Does the ABS unit on the 1st Gen have its own bleeder, or do you just bleed the four corners?
Thanks
Thanks
#2
#3
Lexus Test Driver
Thread Starter
Thanks for the link... I have the SpeedBleeder's on my LS... I did a gravity bleed on my 91LS this past weekend and it made a significant difference in the pedal. The pedal is right up to the top now and nice and hard. The car stops much better now. It takes 15~20 min per caliper. I went through about 1qt of DOT 3-4 synthetic fluid. I took the calipers off the rotors and dropped them down lower, so that the down to up loop that's typically in the flexible brake lines was eliminated and the fluid was able to flow straight down. I think the top of that loop in the flexible brake lines is a perfect place for air to form and become trapped.
Jim
Jim
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