Removal and Installation

WARNING: This page is about a different car, the 2011 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.

All sensors

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING article.
All sensors except the RH 3.5L Gasoline Turbocharged Direct Injection (GTDI) sensor
Disconnect the Catalyst Monitor Sensor (CMS) electrical connector.
RH 3.5L GTDI sensor
Disconnect the CMS electrical connector.
- Detach the wiring retainer from the rear engine roll restrictor bracket.
All sensors

NOTE: If necessary, lubricate the sensor threads with penetrating and lock lubricant to assist in removal.

Using the Exhaust Gas Oxygen Sensor Socket, remove the CMS.
- Calculate the correct torque wrench setting for the following torque. Refer to the Torque Wrench Adapter Formulas in the illustration .
  
  Fig 1: Identifying Torque Wrench Adapter Formulas
  Courtesy of FORD MOTOR CO.
- To install, tighten to 48 Nm (35 lb-ft).
  
  Fig 2: Removing CMS Using Exhaust Gas Oxygen Sensor Socket
  Courtesy of FORD MOTOR CO.

NOTE: Apply a light coat of anti-seize lubricant to the threads of the CMS.

To install, reverse the removal procedure.