S60 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2004)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor (HO2S), Replacing
Heated oxygen sensor (HO2S), replacing
Special tools:
999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S
Removal and Installation
Note! As the illustrations in this service information are used for different model years and / or models, some variation may occur. However,
the essential information in the illustrations is always correct.
Removing the front heated oxygen sensor (HO2S)
Remove the heated oxygen sensor (HO2S) wiring from the clips and clamps.
Separate the wiring.
Raise the car
Remove:
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the lower engine cover
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the heated oxygen sensor (HO2S). Use tool 999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S.
Installing the front heated oxygen sensor (HO2S)
For tightening torques, see: Tightening torque See: Engine, Cooling and Exhaust/Engine/Specifications/Mechanical Specifications/Tightening Torque
Install:
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the front heated oxygen sensor (HO2S). Tighten to 45 Nm. Use tool 999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543
Socket NV-22 HO2S
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the lower engine cover. Lower the car
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the wiring for the heated oxygen sensor (HO2S) using clips and clamps. Connect the wiring.
Removal and Installation
Removing the rear heated oxygen sensor (HO2S)
Raise the car.
Remove:
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the lower engine cover
-
the front SIPS member. Unhook the brake pipe from the clips
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unhook the three-way catalytic converter (TWC) from the rubber mountings
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the nuts between the three-way catalytic converter (TWC) and exhaust system. Unhooks the three-way catalytic converter (TWC)
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the wiring for the heated oxygen sensor (HO2S) from the clips and clamps. Disconnect the wiring
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the rear probe. Use tool 999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S.
Installing the rear probe