Removing Three-Way Catalytic Converter (TWC)

Fig 1: Identifying Member

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove 

• The SIPS member at the rear edge of the three-way catalytic converter (TWC). Grind off the rivet holding the heat deflector plate.
  NOTE:

  It is not necessary to reinstall the rivets to hold the heat deflector plates together. They are clamped into place by the SIPS member during installation.

• The SIPS member. Hang the heat deflector plate up with 2 screws.
• the nuts holding the rear edge of the three-way catalytic converter (TWC).
• the three-way catalytic converter (TWC). Transfer the front member with the rubber and holder to the new three-way catalytic converter (TWC). Tighten the holders in the member to 10 Nm. 

Replace the gaskets and nuts at both ends of the three-way catalytic converter (TWC).

Lubricate the threads and mating surfaces with copper paste, P/N: 1161408-8, at both ends of the three-way catalytic converter (TWC).