S80 T6 Executive L6-2.8L Turbo VIN 90 B6284T (2001)
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
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the mountings and SIPS member on the new three-way catalytic converter (TWC)
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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.
Installing the catalytic converter unit with the heat deflector plate
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 999 5972 FIXTURE See: Tools and Equipment/999 5972 Fixture 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
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the nuts for the front flange seal. Tighten crosswise to 25 Nm
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the front SIPS member. Tighten to 25 Nm
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the rear flange seal nuts. Tighten to 25 Nm
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the rear SIPS member. Tighten to 25 Nm.
