High-Pressure Fuel Pump: Installation
- 1.NOTE: Only rotate the crankshaft Clockwise (CW) or damage to the engine may occur.NOTE: The cam lobe for the high-pressure fuel pump must be at BDC (bottom dead center) for the high-pressure fuel pump installation.
Using the crankshaft pulley bolt, turn the crankshaft until the high-pressure fuel pump cam lobe is at BDC.
- 2.
Apply clean engine oil to the high-pressure fuel pump mounting pedestal bore, the camshaft lobe and the high-pressure fuel pump roller tappet. Install the high-pressure fuel pump roller tappet. Refer to: Specifications .
- 3.
Inspect the high-pressure fuel pump mounting plate seal and replace as necessary. Lubricate the fuel injection pump mounting plate seal with clean engine oil. Refer to: Specifications .
- 4.NOTE: Apply clean engine oil to the fuel injection pump O-ring seal.
Install a new high-pressure fuel pump O-ring seal. Lubricate with clean engine oil. Refer to: Specifications .
- 5.NOTE: Apply clean engine oil to the fuel injection pump mounting plate O-ring seals.
Inspect the high-pressure fuel pump mounting plate O-ring seals and replace as necessary. Lubricate with clean engine oil. Refer to: Specifications .
- 6.NOTE: Make sure that new high-pressure fuel pump bolts are installed.
Install the high-pressure fuel pump mounting plate on to the high-pressure fuel pump. Install the new high-pressure fuel pump bolts.
- 7.
- 1.
Install the high-pressure fuel pump with the high-pressure fuel pump mounting plate, loosely install the new high-pressure fuel pump bolts and loosely install the high-pressure fuel pump plate bolt. Alternately tighten each high-pressure fuel pump bolt one complete revolution until seated. Tighten the fuel high-pressure fuel pump bolts in the following 2 stages.Torque
Stage 1: 177 lb.in (20 Nm)
Stage 2: 45 °
- 2.
Tighten the high-pressure fuel pump plate bolt.Torque: 89 lb.in (10 Nm)
- 1.
- 8.NOTE: Apply clean engine oil to the threads of the high-pressure fuel tube flare nut.NOTE: Install the high pressure fuel tube flare nut and the new high pressure fuel tube bracket nut finger tight at this stage. Tighten in the stages shown.NOTE: Make sure that a new high pressure fuel tube bracket nut is installed.NOTE: Calculate the correct torque wrench setting for the following torque using the Torque Wrench Adapter Formulas in the chart below.
- 1.
Tighten the high pressure fuel tube to high-pressure fuel pump flare nut. Refer to: Specifications .Torque:
Stage 1: 89 lb.in (10 Nm)
Stage 2: Tighten an additional 30 degrees or 50 Nm (37 lb-ft), whichever comes first. : 30 °
- 2.
Tighten the high pressure fuel tube bracket nut.Torque: 71 lb.in (8 Nm)
- 1.
- 9.
Connect the high-pressure fuel pump fuel feed tube quick release coupling. Refer to: Quick Release Coupling .
- 11.NOTE: When removing or installing the high-pressure fuel pump noise insulator, spreading the openings will reduce the risk of damage.
Install the high-pressure fuel pump noise insulator.
- 12.
Connect the battery. Refer to: Battery Disconnect and Connect - Vehicles With: Single Battery . Refer to: Battery Disconnect and Connect - Vehicles With: Dual Batteries .
- 13.
Pressurize the fuel system. Refer to: Fuel System Pressure Release .