Hydraulic Control Assembly - Antilock Brakes: Description and Operation

Hydraulic Unit and Brake Lines





1 - Brake Master Cylinder and Brake Booster

2 - Brake line

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

3 - Brake line

• Master brake cylinder/secondary piston circuit to hydraulic unit

4 - Brake line

• Hydraulic unit to front right brake caliper

5 - Brake line

• Hydraulic control unit to rear left brake caliper

6 - Brake line

• Hydraulic control unit to rear right brake caliper

7 - Brake line

• Hydraulic unit to front left brake caliper

8 - ABS Hydraulic Unit (N55) with ABS Control Module with EDL (J104)

• With integrated brake pressure sensor

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

• For removing and installing, S6 and RS 6, refer to => [ Hydraulic Control Unit, S6 and RS 6 ]

9 - Buffer, qty. 2

10 - Body longitudinal member

11 - Combi-nut, torque specification 10 Nm

12 - ESP bracket

13 - Screw with rubber bushing, torque specification 10 Nm

• integrated securely in assembly

14 - Combi-nut, torque specification 8 Nm

15 - Washer