Audi Q3 Owners & Service Manuals

Audi Q3: Overview - Brake Booster/Master Brake Cylinder

Brake System / Chassis / Audi Q3 (8U) 2011-2018 Service Manual / Overview - Brake Booster/Master Brake Cylinder

  Note

Brake master cylinder and brake boosters can be replaced independently of one another.

Audi Q3. Overview - Brake Booster/Master Brake Cylinder

1 - Heat Shield

2 - Nut

  • 25 Nm
  • Always replace if removed
  • Self-locking

3 - Sealing Plug

  • Coat with brake fluid and press into brake fluid reservoir

4 - Bolt

  • 5 Nm

5 - Brake Fluid Reservoir

  • Removing and installing, refer to → Chapter "Brake Fluid Reservoir, Removing and Installing".

6 - Seal

7 - Cap

8 - Grommet

9 - Brake Booster

  • Functional check:
    • With engine switched off, depress brake pedal firmly several times (to exhaust the vacuum in the unit).
    • Depress and hold brake pedal with average foot pressure and start engine. If brake booster is working properly, pedal will be felt to give noticeably under foot (booster assistance becomes effective).
  • Disconnect from brake pedal, refer to → Chapter "Brake Pedal, Removing from Brake Booster".
  • Removing and installing, refer to → Chapter "Brake Booster, Removing and Installing".

10 - Seal

  • For brake booster

11 - Nut

  • Tightening specification and sequence, refer to item -2-.

12 - Seal

  • Replace after removing

13 - Bolt

  • 5 Nm

14 - Brake Lamp Switch -F-/Brake Pedal Switch -F63-

  • Removing and installing, refer to → Chapter "Brake Lamp Switch, Removing and Installing".

15 - Brake Master Cylinder

  • Cannot be serviced
  • If malfunctioning: replace as complete unit.
  • Removing and installing, refer to → Chapter "Brake Master Cylinder, Removing and Installing".

16 - Rubber Buffer

READ NEXT:

  Brake Lamp Switch, Removing and Installing

  Note The Brake Lamp Switch -F-/Brake Pedal Switch -F63- is installed in the brake master cylinder. Removing Audi RS Q3: - Remove the air filter housing, refer to → Engine

  Brake Master Cylinder, Removing and Installing

Special tools and workshop equipment required Brake Charger/Bleeder Unit -VAS5234- Sealing plugs from Repair Kit -1H0 698 311 A- Removing - Remove the brake fluid reservoir,

  Overview - Electric Vacuum Pump

1 - Brake System Vacuum Pump -V192- Allocation, refer to the Parts Catalog. Installed location: in the engine compartment over the engine transmission separating point. Do not di

SEE MORE:

  Parking aid plus

Activating and deactivating Applies to: vehicles with parking aid plus Fig. 111 Center console: parking aid button General information The parking aid assists when parking and maneuvering by providing warnings about obstacles. If the ultrasonic sensors on the vehicle fig. 88 detect an obstacle, th

  Central Locking

Component Location Overview - Central Locking 1 - Hood Contact Switch 2 -F329- Inside the rear lid lock Removing and installing. Refer to → Chapter "Engine Hood Contact Switch -F266-, Removing and Installing". 2 - Front Passenger Door Control Module -J387-

© 2019-2026 Copyright www.auq3.net | 0.015