Removing Three-Way Catalytic Converters (TWC) / Front Exhaust Pipe: Notes

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: Three-Way Catalytic Converters And Front Exhaust Pipe

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove:

the nuts. Disconnect the front exhaust pipe from the turbocharger (TC)
the nuts where the exhaust pipe divides downstream of the three-way catalytic converter (TWC)
the center SIPS member.

Disconnect the brake pipe from the clips on the front SIPS member.

Remove the screws from the front SIPS member.

Slide the three-way catalytic converter (TWC) (with the heat deflector plate) back and then lower it.

NOTE:

For tightening torques, see: Tightening torque .

NOTE:

To ensure that there is no exhaust leakage, see: Flanged joint, assembling .