Bleeding Brakes Problem
10-19-07, 11:57 AM
#1
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Bleeding Brakes Problem
So I changed all four pads. For the rears, I opened the bleeder when pushing the piston back in, squirting brake fluid out. For the fronts I did not.
Now when I go to bleed the brakes, by having someone pump the brake pedal up and me open the rear bleeders, nothing comes out, and the pedal doesn't move. If I do the front it bleeds normal. I tried leaving the bleeder in the rear open, with it hooked up to the bottle half filled with brake fluid and pumping the brakes, and nothing got sucked in or pushed out.
Any ideas?
Now when I go to bleed the brakes, by having someone pump the brake pedal up and me open the rear bleeders, nothing comes out, and the pedal doesn't move. If I do the front it bleeds normal. I tried leaving the bleeder in the rear open, with it hooked up to the bottle half filled with brake fluid and pumping the brakes, and nothing got sucked in or pushed out.
Any ideas?
10-19-07, 02:30 PM
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10-20-07, 11:05 AM
#4
The brakes are spongy as its not a standard master-cylinder design, but if you think you got air into the ABS actuator system you need to either get your hands on a Toyota ABS check tool, part no 09990-00150 with the correct cable (google it), it does cost ~$500, or just bring it to a Lexus dealer
Last edited by gs-ireland; 10-20-07 at 11:10 AM.
10-22-07, 01:51 PM
#5
Racer
Why did you bleed?
There's no need to do so for changing pads; just push the calipers in.
There's no need to do so for changing pads; just push the calipers in.
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10-27-07, 08:22 PM
#8
Brake and steering fluid are probably the two fluids that people neglect the most. Over time, the fluids break down and moisture can enter the system. If the water vapor evaporates into air, you'll have air in your line or MC. Nothing lasts forever on our car, especially fluids.
10-27-07, 08:25 PM
#9
A stock GS definitely feels spongy. Just as long as you dont have to put your pedal to the floor just to get some braking power, I think you're fine. My car still has that spongy feel, despite changing the pads. The problem is our calipers. By changing that alone (upgrade to supra or aftermarket calipers), you'll notice a big difference in pedal feel. I'm going to do a caliper swap soon because I also hate the stock feel.
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