Nitrogen Oxides (NOx) Sensor 12: Removal
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not use silicone based sprays or lubricants on any components installed onto or around the diesel exhaust system or intake air distribution and filtering system. Silicone reacts with the Nitrogen Oxides (NOx) sensors and may cause permanent damage to the NOx sensors.
NOTE:
Some vehicles built on or before 11/01/2016, the nitrogen oxides (NOx) module 12 is installed using adhesive tape and a locator pin during vehicle assembly. If removal of any of these components is required for service, the adhesive tape is not required for reinstallation. To reinstall, utilize pin fastener W717460-S300 to secure the module. Three pins are required for NOx module 12.
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
Nitrogen Oxides (NOx) sensors 12 wiring harness routing and position of retainers varies by wheelbase, frame width and length. Typical shown others similar.
NOTE:
Do not apply any type of electrical grease or lubricants to the electrical connector.
- With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
- The NOX sensor 12 and module are serviced as an assembly.
- Disconnect the NOX sensor module 12 electrical connector and disconnect the wiring retainers from the frame.
- Depress the retainer clips to release the module from the frame.
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NOTE: If necessary, lubricate the NOx sensor with penetrating and lock lubricant to ease removal.
Remove the NOX sensor 12 and module. Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
Material: Motorcraft® Penetrating and Lock Lubricant / XL-1
Torque: 35 lb.ft (48 Nm)