High-Pressure Fuel Pump: Installation

Rotate the camshaft as necessary until the cam lobe for the high-pressure fuel pump is at BDC.

Install the high-pressure fuel pump drive tappet.

Install the high-pressure fuel pump and loosely install the new high-pressure fuel pump bolts, alternately tighten each high-pressure fuel pump bolt one complete revolution until seated. Tighten the high-pressure fuel pump bolts in the following 2 stages.

Torque:

Stage 1: 44 lb.in (5 Nm)

Stage 2: 55 °

Torque: 150 lb.in (17 Nm)

• 1.
  
  
  NOTE: Make sure that a new high-pressure fuel tube is installed.

  Install the new high-pressure fuel tube, then install the high-pressure fuel tube flare nuts, the high-pressure fuel tube bracket bolt and the high-pressure fuel tube bracket nut finger tight at this stage.

• 2.
  
  
  NOTE: Calculate the correct torque wrench setting for the following torque using the Torque Wrench Adapter Formulas in the chart below.

  Tighten the high-pressure fuel tube flare nuts in the following 3 stages.

  Torque:

  Stage 1: 62 lb.in (7 Nm)

  Stage 2: 133 lb.in (15 Nm)

  Stage 3: 30 °

• 3.
  
  Tighten the high-pressure fuel tube bracket nut.

  Torque: 150 lb.in (17 Nm)

• 4.
  
  Tighten the high-pressure fuel tube bracket bolt.

  Torque: 89 lb.in (10 Nm)

Install the high-pressure fuel pump noise insulator.

Torque: 80 lb.in (9 Nm)