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 Brake Booster

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

2 Brake Line

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

• Identification: diameter 6.5 mm and tube fitting with longer thread M12 x 1

• Marked on hydraulic unit with HZ1

3 Brake Line

• Master brake cylinder/secondary piston circuit to hydraulic unit

• Identification: diameter 6.5 mm and tube fitting with longer thread M12 x 1

• Marked on hydraulic unit with HZ2

4 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

5 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

6 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

7 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

8 ABS Control Module (J104)

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

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

9 ABS Hydraulic Unit (N55)

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

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

10 Bracket

11 Inner TORX(R) Bolt

• 8 Nm

12 Rubber Insulation