Brake Lines, Connecting

On Brake Master Cylinder

Fig 1: Identifying Brake Lines At Brake Master Cylinder

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

A - Primary piston circuit of master brake cylinder to hydraulic unit

- Identification: 6.5 mm diameter and tube fitting with thread M 12 x 1

B - Secondary piston circuit of master brake cylinder to hydraulic unit

- Identification: 6.5 mm diameter and tube fitting with thread M 12 x 1

On Hydraulic Unit

Fig 2: Identifying Fastening Sequence Of Brake Lines

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1 - Hydraulic unit to left front brake caliper

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

2 - Hydraulic control unit to right rear brake caliper

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

3 - Hydraulic control unit to left rear brake caliper

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

4 - Hydraulic unit to right front brake caliper

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

5 - Hydraulic unit to primary piston circuit of master brake cylinder

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

6 - Hydraulic unit to master cylinder secondary piston circuit

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