Control Module and Hydraulic Unit Assembly Overview

Control Module and Hydraulic Unit Assembly Overview

Anti-lock Brake System (ABS)/Electronic Differential Lock (EDL)/Anti-Slip Regulation (ASR)/Electronic Stabilization Program (ESP), TRW





1 ABS Control Module (J104)

It is not possible to separate the control module and hydraulic unit.

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

2 ABS Hydraulic Unit (N55)

It is not possible to separate the control module and hydraulic unit.

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

3 Brake Line

• To right front brake caliper

• Identification: diameter 5.25 mm and tube fitting with thread M 10 x 1

• Marked on hydraulic unit with VR

4 Brake Line

• To left rear brake caliper

• Identification: diameter 5.25 mm and tube fitting with shorter thread M12 x 1

• Marked on hydraulic unit with HL

5 Brake Line

• To right rear brake caliper

• Identification: diameter 5.25 mm and tube fitting with thread M 10 x 1

• Marked on hydraulic unit with HR

6 Brake Line

• To left front brake caliper

• Identification: diameter 5.25 mm and tube fitting with shorter thread M12 x 1

• Marked on hydraulic unit with VL

7 Brake Line

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

• Identification: diameter 8.5 mm or diameter 6 mm and tube fitting with longer thread M12 x 1

• Marked on hydraulic unit with HZ1

8 Brake Line

• Master brake cylinder/secondary piston circuit to hydraulic unit

• Identification: diameter 8.5 mm or diameter 6 mm and tube fitting with longer thread M12 x 1

• Marked on hydraulic unit with HZ2

9 Heat Shield

10 Inner TORX(R) Bolt

• 12 Nm

11 Brake Booster

• On vehicles with a hydraulic brake booster, a vacuum sensor is installed, refer to => [ Brake Booster Vacuum Sensor ] Brake Booster Vacuum Sensor

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

12 Bracket

13 Hex Nut

• 20 Nm

14 Rubber Insulation

15 Inner TORX(R) Bolt

• 10 Nm

16 Bracket