S80 L6-2.9L VIN 92 B6294S2 (2004)
Remove the splashguard under the engine.
Disconnect the connectors for the heated oxygen sensors (HO2S).
Detach the rear SIPS member.
Use a mobile jack under the rear silencer as support.
Slacken off the mounting for the exhaust system.
Carefully lower the exhaust system using the mobile jack until it is almost against the central SIPS member.
Remove the heated oxygen sensors (HO2S).
Installing rear heated oxygen sensors (HO2S)
Install the heated oxygen sensors (HO2S) using 999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S. Lubricate
the threads using paste 116 1408.
Tighten to 45 Nm.
Raise the exhaust system using the mobile jack. Install the mountings.
Install the rear SIPS member.
Connect the heated oxygen sensor (HO2S) connectors.
Install the lower engine cover.
Test drive the engine.
Check for leakage.
Erase Diagnostic Trouble Codes (DTCs).
Reset trim.
