High-Pressure Fuel Pump: Removal
WARNING: This page is about a different car, the 2015 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not loosen any fittings or plugs on the high-pressure fuel pump.
- 1.
With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
- 2.
Release the fuel system pressure. Refer to: FUEL SYSTEM PRESSURE RELEASE .
- 3.
Disconnect the battery. Refer to: Battery Disconnect and Connect .
- 4.
Remove the intake manifold. Refer to: INTAKE MANIFOLD .
- 5.NOTE: When removing or installing the high-pressure fuel pump noise insulator, spreading the openings will reduce the risk of damage.
Remove the high-pressure fuel pump noise insulator.
- 7.
Disconnect the high-pressure fuel pump fuel feed tube quick release coupling. Refer to: QUICK RELEASE COUPLING .
- 8.NOTE: To release the fuel pressure in the high-pressure fuel tube, wrap the high-pressure fuel tube flare nuts with a shop towel to absorb any residual fuel pressure during the loosening of high-pressure fuel tube flare nuts.
Disconnect the high-pressure fuel pump-to-fuel rail high-pressure fuel tube flare nuts, then remove and discard the high-pressure fuel pump-to-fuel rail high-pressure fuel tube.
- 9.NOTE: Alternately loosen the high-pressure fuel pump nuts one complete revolution at a time.
Remove the high-pressure fuel pump nuts and then remove the high-pressure fuel pump.
- 12.
Inspect the high-pressure fuel pump roller tappet. If any flat spots or scoring are found, especially in the indicated areas, then inspect the high-pressure fuel pump and the high-pressure fuel pump roller tappet drive lobe. Install new components as necessary.