Heated Oxygen Sensor (HO2S): Installation

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Left Hand Heated Oxygen Sensor (HO2S)

1.

Install the HO2S.
- Apply a light coat of high temperature nickel anti-seize lubricant to the HO2S threads prior to installation.
- Calculate the correct torque wrench setting for the following torque. Refer to the Torque Wrench Adapter Formulas in the chart below.
- Using the Exhaust Gas Oxygen Sensor Socket, tighten to 46 Nm (34 lb-ft).

GFD135879

Courtesy of FORD MOTOR COMPANY

2.

Install the LH fender splash shield. Refer to Front End Body Panels .

3.

Attach the wire routing retainers and connect the LH HO2S electrical connector.

GFD135875

Courtesy of FORD MOTOR COMPANY

4.

NOTE: When removing or installing the fuel injection pump noise insulator, spreading the openings reduces the risk of damage.

Install the fuel injection pump noise insulator.

GFD135681

Courtesy of FORD MOTOR COMPANY

5.

Remove the oil filler cap and install the engine appearance cover. Install the oil filler cap.

GFD135669

Courtesy of FORD MOTOR COMPANY

Right Hand Heated Oxygen Sensor (HO2S)

6.

Install the HO2S.
- Apply a light coat of high temperature nickel anti-seize lubricant to the HO2S threads prior to installation.
- Calculate the correct torque wrench setting for the following torque. Refer to the Torque Wrench Adapter Formulas in the chart below.
- Using the Exhaust Gas Oxygen Sensor Socket, tighten to 46 Nm (34 lb-ft).

GFD135880

Courtesy of FORD MOTOR COMPANY

7.

Attach the wire routing retainers and connect the RH HO2S electrical connector.

GFD135877

Courtesy of FORD MOTOR COMPANY

8.

Install the RH fender splash shield. Refer to Front End Body Panels .

9.

Remove the oil filler cap and install the engine appearance cover. Install the oil filler cap.

GFD135669

Courtesy of FORD MOTOR COMPANY