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Home >> Volkswagen >> 2023 >> ID.4 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (Brake System - Hydraulic Components) >> 47 Hydraulic Components >> Brake Booster/Brake Master Cylinder >> Overview - Brake Booster/Brake Master Cylinder >> Overview - Brake Booster/Brake Master Cylinder, RHD

Overview - Brake Booster/Brake Master Cylinder, RHD

WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.

The brake master cylinder and brake booster can be replaced independently of one another.

GWWN47-10456Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Brake Fluid Level Warning Switch -F34-
  2. Cap
  3. Brake Fluid Reservoir
  4. Locking Pin
  5. Return Hose
    • For vehicles with manual transmission
  6. Brake Booster
    • Removing and Installing. Refer to BRAKE BOOSTER, REMOVING AND INSTALLING, RHD VEHICLE .

      The following components are integrated in the brake booster.

      • Brake Pedal Position Sensor -G100-
      • Brake Pedal Position Sensor 2 -G836-
      • Power Supply Sensor 1 -G730-
      • Power Supply Sensor 2 -G731-
      • Brake Booster Voltage Sensor -G822-
      • Brake Booster Temperature Sensor 1 -G838-
      • Brake Booster Temperature Sensor 2 -G839-
      • Brake Booster Motor Position Sensor -G840-
      • Brake Booster Control Module -J539-
      • Electro-Mechanical Brake Booster Motor -V548-
  7. Seal
    • For the brake booster
    • Replace
    • Bonded, only at the factory
    • The bonding on the brake booster and bulkhead must not be replaced
  8. Mounting Bracket with Brake Pedal
  9. Nut
    • Always replace if removed.
    • 25 Nm
  10. Seal
    • Replace
  11. Bolt
    • 8 Nm
  12. Heat Shield
  13. Brake Line
    • Brake master cylinder/primary piston circuit to hydraulic unit
    • with an M12 x 1 thread.
    • 14 Nm
  14. Nut
    • Always replace if removed.
    • 22 Nm
  15. Brake Master Cylinder
  16. Brake Line
    • Brake master cylinder/secondary piston circuit to hydraulic unit
    • with an M12 x 1 thread.
    • 14 Nm
  17. Plugs
    • To install, coat with brake fluid