ABS Mark 70 (ABS/ASR)

ABS Mark 70 (ABS/ASR)






1 ABS Control Module (J104)

• Removing and installing, refer to => [ Control Module and Hydraulic Unit, Removing ] Control Module and Hydraulic Unit, Removing

2 ABS Hydraulic Unit (N55)

• Removing and installing, refer to => [ Control Module and Hydraulic Unit, Removing ] Control Module and Hydraulic Unit, Removing

3 Brake Line

• Master brake cylinder/primary piston circuit to hydraulic control unit

• Identification: Tube fitting with threads M 10 x 1

4 Brake Line

• Master brake cylinder/secondary piston circuit to hydraulic unit

• Identification: Tube fitting with threads M 12 x 1

5 Brake Line

• To left front brake caliper

• Identification: Tube fitting with threads M 12 x 1

6 Brake Line

• To right front brake caliper

• Identification: Tube fitting with threads M 10 x 1

7 Brake Line

• To left rear brake caliper

• Identification: Tube fitting with threads M 12 x 1

8 Brake Line

• To right rear brake caliper

• Identification: Tube fitting with threads M 10 x 1

9 Inner Torx(R) Bolt

• Use new bolts.

• 5.5 Nm

10 Bracket

11 Hex Bolt

• 8 Nm

12 Gasket

• For brake booster

13 Brake Booster

• On gasoline engines, vacuum is supplied from intake manifold.

• Functional check:

- With engine switched off, depress brake pedal firmly several times (to deplete vacuum in tool).

- 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).

• Replace as a unit in the event of malfunction (previously, check all vacuum lines).

• Removing and installing, refer to => [ Brake Booster ] Brake Booster

14 Seal

15 Brake Master Cylinder

• Cannot be serviced. Replace as complete unit if malfunctioning.

• Removing and installing, refer to => [ Brake Master Cylinder ] Brake Master Cylinder

16 Hex Nut

• Always replace after removing it.

• 25 Nm

17 Sealing Plugs

• Coat with brake fluid and press into brake fluid reservoir

18 Brake Fluid Reservoir

19 Cap

20 Sealing Plugs

• Connection for vacuum hose

21 Vacuum Hose

• Insert into brake booster

22 Brake Booster Pressure Sensor (G294)

• On vehicles with FSI engine without Hydraulic Brake Vacuum Booster

• Removing and installing, refer to => [ Brake Booster Pressure Sensor ] Brake Booster Pressure Sensor