Overview - High Pressure Reservoir (Fuel Rail)

Fig 1: Exploded View Of High Pressure Reservoir (Rail)

Courtesy of AUDI OF AMERICA, LLC

1. Fuel Pressure Sensor -G247-
   • 100 Nm 
   • Always replace after removing
   • Removing and installing. Refer to FUEL PRESSURE SENSOR -G247-, REMOVING AND INSTALLING .
2. High Pressure Line
   • 28 Nm 
   • Between the high pressure reservoir and the fuel injectors
   • Read and follow all instructions on installing the high pressure lines. Refer to HIGH PRESSURE LINES, REMOVING AND INSTALLING .
   • Attach the balance weight. Refer to Figure.
3. High Pressure Reservoir (Fuel Rail)
   • Removing and installing. Refer to HIGH PRESSURE RESERVOIR (FUEL RAIL), REMOVING AND INSTALLING .
4. Bolt
   • 20 Nm 
5. O-ring
   • Always replace after removing
6. Fuel Pressure Regulator Valve -N276-
   • 80 Nm 
   • Always replace after removing
   • Removing and installing. Refer to FUEL PRESSURE REGULATOR VALVE -N276-, REMOVING AND INSTALLING .
   • After resetting the adaptation values using the Vehicle Diagnostic Tester in Guided Functions  , 01 - Reset the adaptation values 
7. Fuel Return Hose
8. Fuel Return Line
9. Bolt
   • 8 Nm 
10. High Pressure Line
    • 28 Nm 
    • Between the intermediate gear and the high pressure reservoir
    • Read and follow all instructions on installing the high pressure lines. Refer to HIGH PRESSURE LINES, REMOVING AND INSTALLING .
11. Bolt
    • 8 Nm