Tribute 4WD L4-2.5L Hybrid (2009)
5. Remove and discard the 7 catalytic converter 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: 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, 150 in-lbf}.
2. Position the catalytic converter and tighten the 7 exhaust manifold nuts in 2 stages in the sequence shown:
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Stage 1: Tighten to 47 Nm {4.7 kgf-m, 35 ft-lbf}.
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Stage 2: Tighten to 47 Nm {4.7 kgf-m, 35 ft-lbf}.
CAUTION:Failure to tighten the catalytic converter nuts to specification before installing the converter bracket bolts will cause the converter to develop
an exhaust leak.
CAUTION:Failure to tighten the catalytic converter nuts a second time will cause the converter to develop an exhaust leak.
3. Connect the HO2S and the catalyst monitor sensor electrical connectors.
4. Install the 2 exhaust bracket bolts.
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Tighten to 25 Nm {2.5 kgf-m, 18 ft-lbf}.
5. Install the intermediate exhaust pipe. See - See: Muffler/Service and Repair.
