Brake Lines, Attaching To Hydraulic Unit, LHD: Notes

On tandem master brake cylinder:

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Master Brake Cylinder Primary Piston Circuit to Hydraulic Unit
   • Identification: 6 mm diameter and pipe fitting with a M12 x 1 thread
2. Master Brake Cylinder Secondary Piston Circuit to Hydraulic Unit
   • Identification: 6 mm diameter and pipe fitting with a M12 x 1 thread

On the hydraulic unit:

Fig 1: Brake Line Loosening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Hydraulic Unit to Right Rear Brake Caliper
   • Identification: 5.25 mm diameter and tube fitting with a M12 x 1 short thread
2. Hydraulic Unit to Left Front Brake Caliper
   • Identification: 5.25 mm diameter and tube fitting with a M10 x 1 thread
3. Hydraulic Unit to Right Front Brake Caliper
   • Identification: 5.25 mm diameter and tube fitting with a M12 x 1 short thread
4. Hydraulic Unit to Left Rear Brake Caliper
   • Identification: 5.25 mm diameter and tube fitting with a M10 x 1 thread
5. Hydraulic Unit to Master Brake Cylinder Secondary Piston Circuit
   • Identification: 6 mm diameter and pipe fitting with a M12 x 1 thread
6. Hydraulic Unit to Master Brake Cylinder Primary Piston Circuit
   • Identification: 6 mm diameter and pipe fitting with a M12 x 1 thread