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Reply to "motor off good brake pressure, motor on bad brake pressure"

My experience is that if you hear a noise like what you described then the brake vacuum booster is leaking vacuum and as a result you won’t have good breaking when driving. A leaking brake master will let the peddle slowly go to the floor when pressure is held to the pedal like sitting at a stop sign. Did your wife press the pedal with force to the floor when you bleed each caliper? If not you may still have air in the system?

Last edited by lousbby
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