Removing the three-way catalytic converter (TWC)

Removing the three-way catalytic converter (TWC) 

Fig 1: Identifying Front Exhaust Pipe And Turbocharger

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove 

• the splash guard under the engine.
• the left front wheel.

Fig 2: Locating Heated Oxygen Sensor Connectors

Courtesy of VOLVO CARS OF NORTH AMERICA.

Separate the heated oxygen sensor (HO2S) connectors.

Release heated oxygen sensor (HO2S) wiring from its mountings.

Remove 

• the lower rear screw for the heat deflector plate over the turbocharger (TC).
• the nuts for the front exhaust pipe connection to the turbocharger (TC).
  NOTE:

  The metal hose for the front exhaust pipe is easy to damage if it is twisted. Handle the exhaust hose with care to avoid leakage later.

• the rear SIPS member (does not apply to AWD).
  NOTE:

  Reinstall the screws to hold the heat deflector plate in position.

• the nuts where the exhaust pipe divides downstream of the three-way catalytic converter (TWC).

Fig 3: Identifying Exhaust System, Mobile Jack And Special Tool Universal Plate 999 5972

Courtesy of VOLVO CARS OF NORTH AMERICA.

Disconnect brake pipes form the holders at the front SIPS member.

Hold up the exhaust pipe at the front. Use retaining strap 9995682 . Secure in the jack mounting. (Applies to AWD)

Remove the screws for the front SIPS member.

Lift off the exhaust pipe from the turbocharger (TC) and the rear system.

HINT: Use a mobile jack with universal plate  9995972  as a support. 

Lower and draw back the exhaust system with the SIPS member.