Removal Procedure
- Relieve the low and high side fuel system pressure. Refer to Fuel Pressure Relief .
- Remove the fuel pump insulator. Refer to Fuel Pump Insulator Replacement .
- Disconnect the engine wiring harness electrical connector from the high pressure fuel pump.
- Remove the low pressure feed pipe. Refer to Fuel Feed Pipe Replacement (At Tank) Fuel Feed Pipe Replacement (At Engine) .
- Remove the high pressure pipe. Refer to Fuel Feed Intermediate Pipe Replacement . Discard this pipe.
- Remove and discard the high pressure fuel pump bolts (1).
- Remove the high pressure fuel pump (2).
- Remove the high pressure fuel pump roller lifter (3).
- Remove and discard the high pressure fuel pump O-ring (1).
- Remove and discard the high pressure fuel pump gasket (2).
CAUTION:
Alternately loosen the fuel pump bolts one turn at a time until the pump is fully disengaged from fuel pump lifter follower. Trying to remove the pump bolts without even side-to-side loosening may result in pump plunger damage