XC90 AWD V8-4.4L VIN 85 B8444S (2005)
Remove:
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the 8 nuts
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the 2 intermediate pipes. Scrap the 4 gaskets.
Unplugging the connector of the front heated oxygen sensor
Remove the front heated oxygen sensor using tool 999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S.
Installation
Note! To ensure that there is no exhaust leakage, see: Flanged joint, assembling See: Engine, Cooling and Exhaust/Exhaust System/Exhaust
Pipe/Service and Repair/Flanged Joint, Assembling.
Installing the front heated oxygen sensor
Install the front heated oxygen sensor using 999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S. Tighten as
specified: See Specifications. Plug in the connector of the front heated oxygen sensor. Position the connector in the retainer.
Installing intermediate pipes
