Heated Oxygen Sensor (HO2S): Installation

WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.

Calculate the correct torque wrench setting for the following torque. Refer to Torque Wrench Adapter Formula shown below. Install the HO2S.Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.

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Material: Motorcraft ® High Temperature Nickel Anti-Seize Lubricant / XL-2

Torque: 35 lb.ft (48 Nm)

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Connect the HO2S electrical connector and harness retainer.

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Install the upper air cleaner outlet pipe. Refer to: Air Cleaner Outlet Pipe .
1. NOTE: Lubricating the grommets with silicone grease will aid in the installation of the engine appearance cover, and any future removal and installation of the cover.
  
  Lubricate each grommet with silicone grease.
  
  Material: Motorcraft ® Silicone Brake Caliper Grease and Dielectric Compound / XG-3-A (ESE-M1C171-A)
2. Position the engine appearance cover onto engine with the grommets aligned with the studs.
3. Press down on the engine appearance cover at each grommet location to attach the grommets onto the studs.

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