Tribute 4WD L4-2.3L Hybrid (2008)
3. Disconnect the heated oxygen sensor (HO2S) and the catalyst monitor sensor electrical connectors.
4. Using the special tool, remove the HO2S and the catalytic monitor sensor.
NOTE: If installing a new converter, remove the heated oxygen sensor (HO2S) and the catalyst monitor sensor for installation in the new converter.
5. Remove and discard the 7 catalytic converter and exhaust manifold nuts.
6. Remove the catalytic converter and exhaust manifold from the vehicle.
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Discard the catalytic converter and exhaust manifold gasket.
7. Remove and discard the 7 catalytic converter and exhaust manifold studs.
8. Clean and inspect the catalytic converter and exhaust manifold. See - See: Exhaust Manifold/Testing and Inspection.
Installation
1. Install the 7 new catalytic converter and exhaust manifold studs.
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Tighten to 17 Nm (1.7 kgf-m, 13 ft-lbf).
2. Position a new catalytic converter and exhaust manifold gasket on the engine.
NOTE: Make sure to tighten the nuts in the sequence in 2 stages.
