Ihave 2000 LS 400 brake problem all calipers roters and pads new and( bled) brake pedal fades and very low to the floor what do i do next.

June Selph

Asked by June Jun 27, 2013 at 11:04 PM about the 2000 Lexus LS 400

Question type: Maintenance & Repair

low brake pedal also fades all new calipers pads roters and bled , what can i do now ?

6 Answers


June- you replaced a lot of brake stuff there- did you replace the master cylinder? let us know-

June Selph

Yes i did replace the master cylinder i for got about that whats next ?

1 out of 1 people think this is helpful.

ok- I was sure it was the master cylinder- now what indeed?! Answer some more questions: That's a nice car, how many miles on it? I guess you have a mechanic doing this, or is the work being done by yourself or a family member? And usually, by now, when a woman is asking for advice, at least 3 Gurus have jumped in- where are you, guys? lol

June Selph

My husband is doing the work he is a heavy eqipmen mechanic and opr we live in Salton City Ca. The car has 172 K .And we love the car. we have spent on fixing it up apox 4k would apreciate any help you could offer thanks June.


not sure if it is on this car but abs sytems sometimes need to be purged a shop can do it with a scanner or find a gravel lot or road or parking lot and go just fast enough to make the abs cycle and purge the air then rebleed the system some abs have a bleeder screw on them

2 out of 2 people think this is helpful.

Since your husband is a mechanic, I'm sure he has some ideas himself- it seems like you have replaced everything in the braking system and this is a stumper- the only things left are the vacuum booster if your car is equipped with one- and the brake hoses/lines- if the braking is assisted by any other means (hydraulic) that changes things- but the booster rarely goes out on anything but the oldest cars, so my best idea at this point is that there is still air in the system- recheck hoses, lines, bleeder screws (zerks) on the calipers, rebleed the system- with that much work done there may still be air captured in the system somewhere- the symptoms sound like it- let us know

1 out of 1 people think this is helpful.
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