Lincoln Navigator: Fuel Charging and Controls - 3.5L EcoBoost (272kW/370PS) / High-Pressure Fuel Pump Drive Unit. Removal and Installation
Removal and Installation
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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:
Check
Measure the piston diameter 90 degrees from the
piston pin and piston diameter (DN) height down from the top of the
piston at the point indicated.
Refer to specifications for the piston diameter (DN) height...
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Remove the second row center seat backrest cover.
Refer to: Second Row Center Seat Backrest Cover (501-10B Second Row Seats, Removal and Installation)...