Catalytic Converter - Manifold
Catalytic Converter - 2.3L ManifoldCatalytic Converter - 2.3L Manifold:
Removal
1. Remove the exhaust flexible pipe.
2. Remove the 2 catalytic converter bracket bolts.
3. Remove the 6 heat shield bolts and the heat shield.
4. Disconnect the heated oxygen sensor (HO2S) and the catalyst monitor sensor electrical connectors.
5. Remove and discard the 7 catalytic converter manifold nuts.
6. Remove the catalytic converter from the vehicle.
^ Discard the catalytic converter manifold gasket.
7. Remove and discard the 7 catalytic converter manifold studs.
8. 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. Position the heat shield and install the 6 heat shield bolts.
^ Tighten to 10 Nm (89 lb-in).
6. Install the 2 catalytic converter bracket bolts.
^ Tighten to 25 Nm (18 lb-ft).
7. Install the exhaust flexible pipe.