Brake line connections: hydraulic control unit with hydraulic pump for traction control

Brake line tightening torque: 15 Nm.

The following list pertains to Fig 1 .

1. To left rear brake caliper 
2. To right rear brake caliper 
3. Hydraulic control module to hydraulic pump for traction control 
4. To left front brake caliper 
5. To right front brake caliper 
6. To master brake cylinder (secondary piston circuit) 
7. From hydraulic pump for Anti-slip Regulation (ASR) to master brake cylinder (primary piston circuit) 
8. Connecting piece, 12 Nm 
9. Hose clamp 
10. Intake hose 
11. Intake line from hydraulic pump for Anti-slip Regulation (ASR) to brake fluid reservoir 
Fig 1: Identifying Brake Line Connections: Hydraulic Control Unit With Hydraulic Pump For Traction Control (Bosch 5.3)
Courtesy of AUDI OF AMERICA, INC.