Removing The Three-Way Catalytic Converter (TWC): Preparation

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: SIPS Member

Courtesy of VOLVO CARS OF NORTH AMERICA.

Raise the car.

Remove

the left front wheel
the splash guard under the engine
the rear SIPS member
the nuts at the joint of the exhaust system downstream of the three-way catalytic converter (TWC)
the nuts at the joint with the manifold.

Expose the heated oxygen sensor (HO2S) wiring.

NOTE:

Make a note of the routing of the wiring.

Disconnect the connectors for the heated oxygen sensors (HO2S).

Disconnect the brake pipe from its holder on the front SIPS member.