XC90 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2003)
Catalytic Converter: Service and Repair
Three-way catalytic converter (TWC), replacing
Special tools:
999 5543 Socket NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S
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 three-way catalytic converter (TWC)
Remove:
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the wiring for the front heated oxygen sensor (HO2S) from the clips and clamps. Separate the wiring. Raise the car
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the lower engine cover
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the front SIPS member. Unhook the brake pipe from the clips
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the lower screw in the heat deflector plate on the turbocharger (TC)
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the nuts for the flange between the turbocharger (TC) and the three-way catalytic converter (TWC).
Hint: Use rust solvent or similar.
Remove:
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the rubber mounting for the three-way catalytic converter (TWC)
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the nuts for the flange between the three-way catalytic converter (TWC) and exhaust system
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the wiring for the rear heated oxygen sensor (HO2S) from the clips and clamps. Separate the wiring
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the three-way catalytic converter (TWC).
Transferring components