Installing Fuel Collection Pipe

Information 

• High-pressure lines must not be bent. 
• Check that connection points are not damaged and are perfectly clean and check that the screws/bolts are not seized and that there is no thread damage. 
• Fit the union nuts on connection points by hand before screwing in screws or bolts. 
• Dirt on the conical/ball joints must be removed. 
• Connection points must be checked for leaks following assembly. 

1. Installation is performed in reverse order. Pay particular attention to the following:
   1. 1.1  Tighten screws on fuel collection pipe.
      • Tightening torque 9 Nm (6.6 ftlb.) 
   2. 1.2  Secure fuel line (high-pressure pump to rail).
      1. 1.2.1  Coat the thread of the union nuts with Microgleit DF 977S and leave to dry off for at least 5 minutes before fitting.
      2. 1.2.2  Align fuel line (high-pressure pump to rail) -1-  correctly.
      3. 1.2.3  Fit union nut -2-  on fuel collection pipe by hand.
      4. 1.2.4 Only at the right on high-pressure pump to rail: 

         Fit union nut -3-  on high-pressure pump by hand.

      5. 1.2.5  Tighten union nut -2-  using > V.A.G 1331/6 - open end spanner insert, a/f 17  .
         • tightening torque of 10 Nm (7.4 ftlb.) 
         • Torque angle 60° 
      6. 1.2.6 Only at the right on high-pressure pump to rail: 

         Tighten union nut -3-  on high-pressure pump using > V.A.G 1331/6 - open end spanner insert, a/f 17  .

         • tightening torque of 10 Nm (7.4 ftlb.) 
         • Torque angle 60° 

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Fuel line (high-pressure pump to rail)