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Home >> Volkswagen >> 2011 >> Jetta Base >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Anti-Lock Brake System (Sedan) >> 45 Antilock Brake System >> Description And Operation >> Control Module And Hydraulic Unit Overview >> Abs Mark 70 (Abs/ASR) Overview

Abs Mark 70 (Abs/ASR) Overview

Fig 1: Identifying ABS Control Module Exploded View
GWWM45-10019Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Brake Line
    • 14 Nm
    • Master brake cylinder/primary piston circuit for the ABS Hydraulic Unit -N55-.
    • Identification: Tube fitting with threads M12 x 1.
  2. Brake Line
    • 14 Nm
    • Master brake cylinder/secondary piston circuit for the ABS Hydraulic Unit -N55-.
    • Identification: Tube fitting with threads M12 x 1.
  3. Brake Booster with Master Brake Cylinder
    • On gasoline engines, the required vacuum is supplied either by the intake manifold or by a vacuum pump.
    • Functional check:

      -- Forcefully press brake pedal several times with engine switched off. This dissipates any vacuum present 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).

    • If malfunctioning: replace as complete unit.
    • See, refer to REMOVAL AND INSTALLATION .
    • Brake Booster, Removing and Installing, refer to BRAKE BOOSTER .
    • Brake Master Cylinder, Removing and Installing, refer to MASTER BRAKE CYLINDER .
  4. Brake Line
    • 14 Nm
    • To left rear brake caliper/brake cylinder.
    • Identification: Tube fitting with threads M12 x 1.
  5. Brake Line
    • 14 Nm
    • To the right rear brake caliper/brake cylinder.
    • Identification: Tube fitting with threads M10 x 1.
  6. Rubber Insulation
    • Do not press the rubber bushings out of the bracket when installing the mount.
  7. Bracket
    • Is attached to the body.
  8. Nut
    • 8 Nm
    • Quantity: 2
  9. Bolt
    • 8 Nm
    • Quantity: 2
  10. Bracket
  11. ABS Hydraulic Unit -N55-
  12. Bolt
    • 5.5 Nm
    • Quantity: 3
    • Always replace if removed.
  13. ABS Control Module -J104-
  14. Brake Line
    • 14 Nm
    • ABS Hydraulic Unit -N55- for the master brake cylinder/primary piston circuit.
    • Identification: Tube fitting with threads M12 x 1.
  15. Brake Line
    • 14 Nm
    • To the left front brake caliper.
    • Identification: Tube fitting with threads M10 x 1.
  16. Brake Line
    • 14 Nm
    • To the right front brake caliper.
    • Identification: Tube fitting with threads M12 x 1.
  17. Brake Line
    • 14 Nm
    • ABS Hydraulic Unit -N55- for the master brake cylinder/secondary piston circuit.
    • Identification: Tube fitting with threads M12 x 1.
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