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
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
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
-
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
-
If equipped, install the underbody shield.
Torque:
71 lb.in (8 Nm)
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)...
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Disconnect the IAT sensor electrical connector...
Other information:
Removal
NOTICE:
Suspension fasteners are critical parts that affect the
performance of vital components and systems. Failure of these fasteners
may result in major service expense. Use the same or equivalent parts if
replacement is necessary...
Adhesives
The
correct adhesive bonding is essential to repairing the vehicle
correctly. Adhesives and mechanical fasteners are used in all areas of
the body structure in place of welding. In addition to providing a
structural bond between components, adhesives can also help prevent wind
noise, water leaks, exhaust fumes and dust from entering the vehicle...