Catalytic Converter LH: 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: 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 .
Disconnect the HO2S electrical connector.

Courtesy of FORD MOTOR COMPANY
Remove the underbody shield.

Courtesy of FORD MOTOR COMPANY
Disconnect the HO2S electrical connector.

Courtesy of FORD MOTOR COMPANY
Remove the LH catalytic converter nuts and discard.

Courtesy of FORD MOTOR COMPANY
Loosen the clamp and remove the LH catalytic converter.

Courtesy of FORD MOTOR COMPANY

NOTE: The following 2 steps are only required if servicing the exhaust manifold adapter.
NOTE: Install the new studs if necessary.

Remove the studs and the exhaust manifold adaptor.

Courtesy of FORD MOTOR COMPANY
Remove and discard the gasket.

Courtesy of FORD MOTOR COMPANY