Removing The Three-Way Catalytic Converter (TWC)

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: Front Exhaust Pipe And Turbocharger

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove:

the wiring for the front heated oxygen sensor (HO2S) from the clips and clamps. Separate the wiring. Raise the car
the lower engine cover
the front SIPS member. Unhook the brake pipe from the clips
the lower screw in the heat deflector plate on the turbocharger (TC)
the nuts for the flange between the turbocharger (TC) and the three-way catalytic converter (TWC).

HINT: Use rust solvent or similar.

Fig 2: Identifying Rubber Mounting For The Three-Way Catalytic Converter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove:

the rubber mounting for the three-way catalytic converter (TWC)
the nuts for the flange between the three-way catalytic converter (TWC) and exhaust system
the wiring for the rear heated oxygen sensor (HO2S) from the clips and clamps. Separate the wiring
the three-way catalytic converter (TWC).