Installing the three-way catalytic converter (TWC)

Fig 1: Identifying Exhaust System, Mobile Jack And Special Tool Universal Plate 999 5972

Courtesy of VOLVO CARS OF NORTH AMERICA.

Lubricate the studs at the flange on the manifold. Use paste (P/N 116 1408  ). Avoid skin contact with the paste. 

Lift the front exhaust system. Connect the front exhaust system to the rear system. Use a new gasket  and new nuts  . Do not  tighten.

Then connect to the manifold. Use a new gasket  and new nuts  . Do not  tighten.

Fig 2: Exhaust At Manifold

Courtesy of VOLVO CARS OF NORTH AMERICA.

Install 

• the screws securing the SIPS member to the bodywork
• the brake pipe in the holders on the SIPS member.

Tighten the front and rear sections of the exhaust system. Tighten the front SIPS member. Tighten to 25 Nm  .

Secure the wiring for the heated oxygen sensors (H02S) at the rear engine mounting and at the steering gear.

• the splash guard under the engine
• the left-hand front wheel. See Installing wheels .

Connect the heated oxygen sensor (HO2S) connectors.

Reinstall the air preheating hose.