Lincoln Navigator: Electronic Engine Controls - 3.5L EcoBoost (272kW/370PS) / Heated Oxygen Sensor (HO2S). Removal and Installation
Special Tool(s) / General Equipment
 |
303-476
(T94P-9472-A)
Socket, Exhaust Gas Oxygen Sensor TKIT-1994-LM/M TKIT-1994-F TKIT-1994-FLM/FM |
Materials
| Name | Specification |
|---|---|
| Motorcraft® High Temperature Nickel Anti-Seize Lubricant XL-2 |
- |
| Motorcraft® Penetrating and Lock Lubricant XL-1 |
- |
Removal
Right hand (RH) Heated oxygen sensor (HO2S)
-
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
-
If equipped, remove the underbody shield.
 |
-
-
Disconnect the electrical connector and harness retainers.
-
Apply penetrating oil to sensor, using the special tool remove the HO2S .
Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
Material: Motorcraft® Penetrating and Lock Lubricant / XL-1
-
Disconnect the electrical connector and harness retainers.
 |
Left hand (LH) Heated oxygen sensor (HO2S)
-
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
-
If equipped, remove the underbody shield.
|
-
-
Disconnect the electrical connector and harness retainer.
-
Apply penetrating oil to sensor, using the special tool remove the HO2S .
Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
Material: Motorcraft® Penetrating and Lock Lubricant / XL-1
-
Disconnect the electrical connector and harness retainer.
 |
Installation
Left hand (LH) Heated oxygen sensor (HO2S)
-
-
Apply anti-seize to thread of sensor, using special tool install the HO2S .
Torque: 35 lb.ft (48 Nm)
-
Connect the electrical connector and harness retainer.
Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
Material: Motorcraft® High Temperature Nickel Anti-Seize Lubricant / XL-2
-
Apply anti-seize to thread of sensor, using special tool install the HO2S .
 |
-
If equipped, install the underbody shield.
Torque: 71 lb.in (8 Nm)
|
Right hand (RH) Heated oxygen sensor (HO2S)
-
-
Apply anti-seize to thread of sensor, using special tool install the HO2S .
Torque: 35 lb.ft (48 Nm)
-
Connect the electrical connector and harness retainers.
Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
Material: Motorcraft® High Temperature Nickel Anti-Seize Lubricant / XL-2
-
Apply anti-seize to thread of sensor, using special tool install the HO2S .
 |
-
If equipped, install the underbody shield.
Torque: 71 lb.in (8 Nm)
|
Fuel Rail Pressure and Temperature Sensor. Removal and Installation
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)...
Intake Air Temperature (IAT) Sensor. Removal and Installation
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Disconnect the IAT sensor electrical connector...
Other information:
Lincoln Navigator 2018-2025 Workshop Manual: Front Seat Cushion Bolster - Vehicles With: Multi-Contour Seats. Removal and Installation
Removal NOTE: Driver seat shown, passenger seat similar. Remove the front seat cushion cover. Refer to: Front Seat Cushion Cover (501-10A Front Seats, Removal and Installation). Remove the pin-type retainers and the front seat cushion bolster(s)...
Lincoln Navigator 2018-2025 Workshop Manual: Heater Core Leak Check. General Procedures
Inspection NOTE: A coolant leak in the heater hose could follow the heater core tube to the heater core and appear as a leak in the heater core. Inspect for evidence of coolant leakage at the heater hose to heater core attachments...
Categories
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- 4th Gen Lincoln Navigator Service Manual (2018 - 2025)
- Service Information
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Rear Drive Axle and Differential. Diagnosis and Testing
Symptom Chart(s)
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Symptom Chart - Differential
Symptom Chart - Differential
Condition Actions Axle overheating GO to Pinpoint Test A Broken gear teeth on the ring gear or pinion GO to Pi
