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Home >> Audi >> 2020 >> SQ8 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 107 (Brake System - Hydraulic Components) >> 47 Hydraulic Components >> Brake Booster/Brake Master Cylinder >> Overview - Brake Booster/Brake Master Cylinder >> Overview - Brake Booster/Brake Master Cylinder, Electromechanical Brake Booster

Overview - Brake Booster/Brake Master Cylinder, Electromechanical Brake Booster

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Fig 1: Exploded View Of Brake Booster/Brake Master Cylinder (Electromechanical Brake Booster)
GWWA47-10327Courtesy of AUDI
  1. Brake Line
    • 14 Nm
    • Replace a damaged or bent brake line
    • Brake master cylinder/primary piston circuit to hydraulic unit
    • Do not change the bending shape.
  2. Brake Line
    • 14 Nm
    • To the Brake System Pressure Reservoir -VX70-
  3. Brake Master Cylinder
  4. Seal
    • Replace after removing
  5. Plugs
    • To install, coat with brake fluid
  6. Bolt
    • 4 Nm
  7. Brake Fluid Reservoir
  8. Cap
    • The cap seal is not available separately
  9. Brake Fluid Level Warning Switch -F34-
  10. Protective Plate
    • Equipped on some models
  11. Rubber Buffer
  12. Bolt
    • 8 Nm
  13. Seal
    • Replace after removing
  14. Brake Booster Control Module -J539-
  15. Bolt
    • 25 Nm
    • Replace after removing
  16. Bolt
    • 22 Nm
    • Replace after removing
  17. Brake Line
    • 14 Nm
    • Replace a damaged or bent brake line
    • Brake master cylinder/secondary piston circuit to hydraulic unit
    • Do not change the bending shape.

Electromechanical Brake Booster Ball Head, Adjusting

Fig 2: Brake Booster Ball Head, Adjusting
GWWA47-10122Courtesy of AUDI

Tightening Specification

Component Nm
Ball head to brake booster 30