C70 L5-2.4L Turbo VIN 63 B5244T7 (2003)
Catalytic Converter: Removal and Replacement
Three-way catalytic converter (TWC), replacing
Special tools:
999 5543 SOCKET NV-22 HO2S See: Tools and Equipment/999 5543 Socket NV-22 HO2S
999 5972 FIXTURE See: Tools and Equipment/999 5972 Fixture
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 left front wheel. Applies to B52x4T.
Disconnect the heated oxygen sensor (HO2S) connectors.
Release the heated oxygen sensor (HO2S) wiring from its mountings.
Note! Applies only to B52x4T: Remove the lower rear screw for the heat deflector plate above the turbocharger (TC)
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the nuts for the front exhaust system connection to the turbocharger/manifold
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the SIPS member
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the clamp where the exhaust system divides downstream of the three-way catalytic converter (TWC).
Lift off the exhaust pipe from the turbocharger (TC)/manifold and the rear system.
Lower/draw down the exhaust system.
Hint: Use a mobile jack with universal plate 999 5972 FIXTURE See: Tools and Equipment/999 5972 Fixture as support.
Transferring components