Catalytic Converter - Replacing: Overview Volvo S60 I

Three-Way Catalytic Converter (TWC) (B5XX4T), Replacing

1. For B5xx4T -2004, see «Replacing the Three-Way Catalytic Converter (TWC)»(ref-415288-S15168316722011081500000)
2. For B5xx4T 2005-, see «Three-Way Catalytic Converter (TWC), Replacing»(ref-415288-S00205569752011081500000) .

Three-Way Catalytic Converter (TWC) (B5XX4S), Replacing

1. For B5244S/S2 1999-, see «Three-Way Catalytic Converter (TWC), Replacing»(ref-415288-S00488274232011081500000)
2. For B5244S/S2 2001-, see «Replacing the Three-Way Catalytic Converter (TWC)»(ref-415288-S04489281042011081500000)
3. For B5244S/S2 2003-, see «Three-Way Catalytic Converter (TWC), Replacing»(ref-415288-S00488274232011081500000) .
4. For B5244S6 2003-, see «Replacing the Three-Way Catalytic Converter (TWC)»(ref-415288-S04489281042011081500000) .

Three-Way Catalytic Converter (TWC), Replacing

Special tools

9995972

Scheme 7

Raise the car.

Remove

1. the left front wheel
2. the splash guard under the engine
3. the rear SIPS member
4. the nuts for the rear flange seal on the catalytic converter
5. the nuts for the front flange seals on the catalytic converters
6. expose the heated oxygen sensor (HO2S) wiring. Disconnect the connectors.

Disconnect the brake pipe from its holder on the front SIPS member.

Scheme 8

Position a mobile jack with universal plates 9995972 under the catalytic converters.

Remove the screws for the front SIPS member.

Pull back and lower the catalytic converters with their heat deflector plates.

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

Scheme 9

Remove the holders for the rear heated oxygen sensors (HO2S) wiring holders.

Lift out the heat deflector plate.

Remove the heated oxygen sensors (HO2S).

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

Install

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

Position the heat deflector plate.

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

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

Scheme 10

Use new nuts and gaskets .

Note. Lubricate all the studs. Use paste, P/N: 116 1408 . Avoid skin contact with the paste.

Connect the pipe to the engine. Use a mobile jack with universal plate 9995972 as support.

Note. Ensure that the heated oxygen sensor (HO2S) wiring is above the brake pipe.

Press the brake pipe into place in its holder on the front SIPS member.

Connect to the rear exhaust pipe. Install all nuts loosely.

Install the screws for the front SIPS member.

Remove the mobile jack.

Tighten

1. the nuts for the front flange seal. Tighten crosswise to 25 Nm
2. the front SIPS member. Tighten to 25 Nm
3. the rear flange seal nuts. Tighten to 25 Nm
4. the rear SIPS member. Tighten to 25 Nm .

Scheme 11

Connect the heated oxygen sensor (HO2S) wiring.

Secure the wiring at the rear edge of the sub-frame.

Install the splashguard under the engine.

Install the left front wheel. See Installing Wheels .