FixVault

Overview - Control Module And Hydraulic Unit

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2022 Audi S5, 2022 Audi RS 5, 2022 Audi A5 Quattro, 2021 Audi S5, and 2021 Audi RS 5. However, it is still accessible from the selected car via links, so may be relevant.

Control Module and Hydraulic Unit

Fig 1: Exploded View Of Control Module And Hydraulic Unit
GWWA45-10362Courtesy of AUDI OF AMERICA, LLC
  1. Rubber Bushing
  2. Mounting Bracket
  3. Bolt
    • Tighten in two steps alternating from side to side.
    • Step 1: 1 to 1.5 Nm (to position the seal)
    • Step 2: 2.5 Nm
  4. ABS Control Module -J104-
    • If the ABS Control Module -J104- is faulty, it can be replaced separately.
    • If the ABS Hydraulic Unit -N55- is faulty, it must be replaced together with the ABS Control Module -J104-.
  5. Brake Line
    • 14 Nm
    • Replace a damaged or bent brake line
    • To the brake caliper
    • Do not change the bending shape.
  6. ABS Hydraulic Unit -N55-
    • If the ABS Control Module -J104- is faulty, it can be replaced separately.
    • If the ABS Hydraulic Unit -N55- is faulty, it must be replaced together with the ABS Control Module -J104-.
  7. Brake Line
    • 16 Nm
    • Replace a damaged or bent brake line
    • From brake master cylinder to the hydraulic unit
    • Do not change the bending shape.
  8. Brake Line
    • 14 Nm
    • Replace a damaged or bent brake line
    • From brake master cylinder to the hydraulic unit
    • Do not change the bending shape.
  9. Bolt
    • 25 Nm

ABS Control Module -J104-

Fig 2: Identifying Pressure Sensor Contact, Pressure Sensor, Seal, Valve Bodies And Pump Motor Contact
GWWA45-10122Courtesy of AUDI OF AMERICA, LLC
  1. Pressure Sensor Contact
    • Do not touch the contacts
    • The illustration depends on the model
  2. Pressure Sensor
    • Must not be changed or damaged
    • Cannot be replaced
    • The illustration depends on the model
  3. Seal
    • Do not remove or lift
    • Cannot be replaced separately
  4. Valve Body
    • Must not be damaged
    • Do not use any tools
  5. Pump Motor Contact
    • Must not be damaged