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Home >> Audi >> 2022 >> Q3 Premium Plus >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Hydraulic Components (Brake System) >> 47 Hydraulic Components >> Brake Booster/Brake Master Cylinder >> Brake Master Cylinder, Removing And Installing >> Brake Master Cylinder, Removing And Installing, Vacuum Brake Booster >> Removing

Brake Master Cylinder, Removing And Installing, Vacuum Brake Booster: Removing

-- Remove the brake fluid reservoir. Refer to BRAKE FLUID RESERVOIR, REMOVING AND INSTALLING .

-- Remove the battery tray. Refer to BATTERY TRAY, REMOVING AND INSTALLING .

-- Disconnect the connectors:

Fig 1: Component Location - Brake Lamp Switch -F- /Brake Pedal Switch -F63- and Vacuum Sensor -G608-.
GWWA46-10190Courtesy of AUDI OF AMERICA, LLC
  1. From the Brake Lamp Switch -F-
  2. From the Vacuum Sensor -G608-, if equipped

-- Remove the brake lines -1- on brake master cylinder.

GWWN47-10118Courtesy of AUDI OF AMERICA, LLC

-- Immediately close open connection points with a clean plug.

-- Remove the nuts -2-.

-- Disconnect and remove the brake master cylinder from the brake booster.