Catalytic Converter - Gasoline Engines: Removal

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Some applications are equipped with a catalytic converter delete pipe in place of the underbody catalytic converter. The catalytic converter delete pipe mounts in the exhaust system the same way as the underbody catalytic converter. The catalytic converter delete pipe does not have a catalytic monitor in it.

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING .
If equipped, remove the skid plate.
Remove and discard the 4 exhaust Y-pipe flange nuts, then remove and discard the gasket.

Fig 1: Locating Exhaust Y-Pipe Flange Nuts And Gasket
Courtesy of FORD MOTOR CO.
Loosen the catalytic converter-to-muffler coupling or, if equipped, catalytic converter-to-exhaust intermediate pipe coupling.
If equipped, disconnect the exhaust intermediate pipe isolator and the front muffler isolator.
Disconnect the catalytic converter from the rubber isolator.
Remove the catalytic converter.
If installing a new catalytic converter, remove the catalyst monitor sensors.