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Overview - Control Module And Hydraulic Unit

Control Module and Hydraulic Unit

Fig 1: Exploded View Of Control Module And Hydraulic Unit
GWWA45-10359Courtesy of AUDI OF AMERICA, LLC
  1. Nut
    • 3.8 Nm
  2. Nut
    • 3.8 Nm
  3. Bracket
  4. Rubber Bushing
  5. Mounting Bracket
  6. 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
  7. 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-.
  8. 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-.
  9. Brake Line
    • 14 Nm
    • To the brake caliper
    • 5.25 mm diameter and union bolt with M12x1 thread
      CAUTION:

      Risk of destroying the brake lines by bending.

      - Never change the shape of the brake lines.

      - A damaged or bent brake line must be replaced.

  10. Brake Line
    • 16 Nm
    • From brake master cylinder to the hydraulic unit
    • 6 mm diameter and union bolt with M12x1 thread
      CAUTION:

      Risk of destroying the brake lines by bending.

      - Never change the shape of the brake lines.

      - A damaged or bent brake line must be replaced.

  11. Bolt
    • 25 Nm
  12. Nut
    • 3.8 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