Transferring Components When Replacing The Three-Way Catalytic Converter (TWC)

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Fig 1: Three-Way Catalytic Converter With The Heat Deflector Plate Removed

Courtesy of VOLVO CARS OF NORTH AMERICA.

Disconnect the wiring holders from the heat deflector plate.

Lift out the heat deflector plate.

Remove the heated oxygen sensors (HO2S).

NOTE:

Mark up the position of the heated oxygen sensors (HO2S) before removal.

Remove the three-way catalytic converter (TWC) mountings. Remove the SIPS member.

Fig 2: Three-Way Catalytic Converter Removed

Courtesy of VOLVO CARS OF NORTH AMERICA.

Install

the mountings and SIPS member on the new three-way catalytic converter (TWC)
the heated oxygen sensors (HO2S) according to earlier markings. Lubricate the thread using paste, P/N: 116 1408 . Tighten to 45 Nm .

NOTE:

Handle the new three-way catalytic converter (TWC) boot carefully. It is sensitive to twisting.

Position the heat deflector plate.

Press the rear heated oxygen sensors (HO2S) holders into place.