High-Pressure Pump And Low-Pressure Lines

Fig 1: Identifying High-Pressure Pump With Low-Pressure Lines

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. High-pressure pump
2. Screw, M6 x 20 → Tightening torque: 10 Nm (7.5 ftlb.) 
3. Low-pressure fuel line
4. Screw, M6 x 16 → Tightening torque: 10 Nm (7.5 ftlb.) 
5. Fuel pressure sensor (low-pressure sensor) → Tightening torque: 20 Nm (15 ftlb.) 
6. Roller tappet