Installing the three-way catalytic converter (TWC)

Transferring components

Transfer

the SIPS member with the exhaust system mountings.
the heated oxygen sensors (HO2S).
NOTE:
The front and rear heated oxygen sensors (HO2S) are not interchangeable.

Tighten the heated oxygen sensors (HO2S) to 45Nm . Use tool 9995543 .

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

Courtesy of VOLVO CARS OF NORTH AMERICA.

Lubricate the studs on the turbocharger (TC). Use paste, P/N: 1161408 . Avoid skin contact with the paste.

Lift up the exhaust system and connect it to the rear system with a new gasket and new nuts . Do not tighten.

Then connect to the turbocharger (TC).

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

NOTE:

The heated oxygen sensor (HO2S) wiring routing over the brake pipe.

Fig 2: Identifying Front Exhaust Pipe And Turbocharger

Courtesy of VOLVO CARS OF NORTH AMERICA.

Install

Tighten the exhaust pipe at the turbocharger (TC) to 25 Nm .

NOTE:

Ensure that the flange on the exhaust pipe is flush against the turbocharger (TC).

Remove the retaining strap at the front edge of the exhaust pipe (applies to AWD).

Fig 3: Identifying Exhaust Connection, TWC And Splash Guard

Courtesy of VOLVO CARS OF NORTH AMERICA.

Press connector halves together.

Tighten the exhaust pipe where it separates downstream of the three-way catalytic converter (TWC) to 25 Nm .

Install rear SIPS member. Tighten to 25 Nm (does not apply to AWD).

Tighten the front SIPS member to 25 Nm .

Install the splashguard under the engine.

Install the left front wheel according to Installing wheels .

Check

Test drive the engine and any exhaust leakage.