Catalytic Converter - Manifold

Catalytic Converter - 2.3L Manifold, Hybrid

Catalytic Converter - 2.3L Manifold, Hybrid:

Removal
1. Remove the exhaust flexible pipe.
2. Remove the 2 catalytic converter bracket bolts.
3. Disconnect the heated oxygen sensor (HO2S) and the catalyst monitor sensor electrical connectors.
4. Remove and discard the 7 catalytic converter manifold nuts.
5. Remove the catalytic converter from the vehicle.
^ Discard the catalytic converter manifold gasket.
6. Remove and discard the 7 manifold studs.
7. Clean and inspect the catalytic converter manifold.

Installation
1. Install the 7 new catalytic converter studs.
^ Tighten to 17 Nm (13 lb-ft).
2. Position a new catalytic converter manifold gasket on the engine.

3. 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 to specification a second time will cause the converter to develop an exhaust leak.

NOTE: Make sure to tighten the nuts in the sequence in 2 stages.

Position the catalytic converter and tighten the 7 exhaust manifold nuts in 2 stages in the sequence shown.
^ Stage 1: Tighten to 47 Nm (35 lb-ft).
^ Stage 2: Tighten to 47 Nm (35 lb-ft).





4. Connect the HO2S and the catalyst monitor sensor electrical connectors.
5. Install the 2 catalytic converter bracket bolts.
^ Tighten to 25 Nm (18 lb-ft).
6. Install the exhaust flexible pipe.