Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Brake hose replacement › Reply To: Brake hose replacement April 19, 2021 at 3:55 am #990124 Richard KirshyParticipant Never empty the master. Top it off then fully depress the brake pedal and secure it in that position. Most master cylinders will not bleed out fluid if the pedal is in the depressed position.