Catalytic Converter LH: Removal

WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the catalytic converter is not being replaced, the HO2S and the catalyst monitor sensor do not need to be removed from the catalytic converter. Disconnecting the electrical connectors is still necessary.

NOTE: The exhaust Y-pipe dual catalytic converter is a 2-piece assembly. The LH and RH converters can be serviced separately as needed.

With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
If equipped, remove the underbody shield.

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Disconnect the electrical connectors and detach the wire clips.

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Remove the LH catalytic converter nuts and discard.

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Loosen the clamp and remove the LH catalytic converter.

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NOTE: This step is only required if you are replacing with new components.

Apply penetrating oil to sensor. Using the special tool, remove the HO2S and the catalyst monitor sensors.

Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.

Material

: Motorcraft® Penetrating and Lock Lubricant / XL-1

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