rfcbuf Posted January 25, 2020 Share Posted January 25, 2020 My 1998 GS 400 has a squeal when applying brakes . Been doing that for 3 years without any loss in brake function. What happens when booster fails? Will I be able to stop the car but with more peddle pressure needed or will brakes fail ? I understand that brake master cylinder and booster are all one unit and replacement parts cost $2500 without labor . Getting used to the noise which is not noticeable when temperature is above 75 degrees. Real noisy in Buffalo winters however. Quote Link to comment Share on other sites More sharing options...
lexusv8 Posted March 15, 2020 Share Posted March 15, 2020 I have the same issue and I believe it is the abs pump building pressure to spec.I'm guessing no abs fault codes. Quote Link to comment Share on other sites More sharing options...
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