Lincoln Navigator: Fuel Charging and Controls - 3.5L EcoBoost (272kW/370PS) / High-Pressure Fuel Pump Drive Unit. Removal and Installation
Removal and Installation
-
The high-pressure fuel pump drive unit is part of the right cylinder head.
Refer to: Cylinder Head RH (303-01 Engine - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
Removal
NOTICE:
Do not loosen any fittings or plugs on the high-pressure fuel pump.
With the vehicle in NEUTRAL, position it on a hoist...
Removal
Release the fuel system pressure.
Refer to: Fuel System Pressure Release (310-00 Fuel System - General
Information - 3.5L EcoBoost (272kW/370PS), General Procedures)...
Other information:
Inspection
Recover the refrigerant.
Refer to: Air Conditioning (A/C) System Recovery, Evacuation and
Charging (412-00 Climate Control System - General Information, General
Procedures).
Disconnect the evaporator from the A/C system...
Removal
Remove the third row seat head restraint guide sleeves.
Refer to: Third Row Seat Head Restraint Guide Sleeve (501-10C Third Row Seats, Removal and Installation).
Remove the third row single seat backrest cover and foam as an assembly...