Lincoln Navigator: Engine Emission Control - 3.5L EcoBoost (272kW/370PS) / Engine Emission Control - Component Location. Description and Operation

Lincoln Navigator 2018-2025 Workshop Manual / Engine / Engine Emission Control - 3.5L EcoBoost (272kW/370PS) / Engine Emission Control - Component Location. Description and Operation

Item	Description
1	Differential pressure feedback EGR sensor.
2	EGR outlet tube.
3	EGR temperature sensor.
4	EGR back pressure sensor.
5	PCV valve.
6	EGR valve.
7	EGR cooler.

Engine Emission Control - 3.5L EcoBoost (272kW/370PS)

Engine Emission Control - System Operation and Component Description. Description and Operation

System Operation Exhaust Gas Recirculation (EGR) System Overview The EGR system controls the NOX emissions. Small amounts of exhaust gases are recirculated back into the combustion chamber to mix with the air to fuel charge...

Other information:

Lincoln Navigator 2018-2025 Workshop Manual: Rear Door Glass Top Run. Removal and Installation

Removal NOTE: LH side shown, RH side similar. NOTE: Removal steps in this procedure may contain installation details. Remove the rear door window glass. Refer to: Rear Door Window Glass (501-11 Glass, Frames and Mechanisms, Removal and Installation)...

Lincoln Navigator 2018-2025 Workshop Manual: Interior Rear Door Handle. Removal and Installation

Removal NOTE: LH side shown, RH side similar. Remove the rear door trim panel. Refer to: Rear Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation). Remove the bolts and the interior rear door handle bracket...

Rear Drive Halfshafts. Diagnosis and Testing

Preliminary Inspection

Visually inspect the CV joints, housing, boots, and clamps for obvious signs of mechanical damage.
If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
If the cause is not visually evident, verify the symptom and REFER to Symptom Chart: NVH.