Brake Lines, Attaching To Hydraulic Unit

Label the installation position of the lines before removing them.

On tandem master brake cylinder:

Fig 1: Identifying Brake Lines

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

A - Master Brake Cylinder Primary Piston Circuit to the ABS Hydraulic Unit -N55-.

- Identification: pipe fitting with M10 x 1 thread

B - Master Brake Cylinder Secondary Piston Circuit to the ABS Hydraulic Unit -N55-.

- Identification: pipe fitting with M12 x 1 thread

1 - ABS Hydraulic Unit -N55- to the Left Front Brake Caliper

2 - ABS Hydraulic Unit -N55- to the Left Rear Brake Caliper

3 - ABS Hydraulic Unit -N55- to the Right Rear Brake Caliper

On the ABS Hydraulic Unit -N55- :

Fig 2: Identifying Brake Lines

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

A - ABS Hydraulic Unit -N55- to the Master Brake Cylinder Primary Piston Circuit

- Identification: pipe fitting with M12 x 1 thread

B - ABS Hydraulic Unit -N55- to the Master Brake Cylinder Secondary Piston Circuit

- Identification: pipe fitting with M12 x 1 thread

1 - ABS Hydraulic Unit -N55- to the Left Front Brake Caliper

- Identification: pipe fitting with M10 x 1 thread

2 - ABS Hydraulic Unit -N55- to the Right Front Brake Caliper

- Identification: pipe fitting with M12 x 1 thread

3 - ABS Hydraulic Unit -N55- to the Right Rear Brake Caliper

- Identification: pipe fitting with M10 x 1 thread

4 - ABS Hydraulic Unit -N55- to the Left Rear Brake Caliper

- Identification: pipe fitting with M12 x 1 thread