Catalytic Converter Replacement
Catalytic Converter ReplacementRemoval Procedure
Replace the entire converter assembly in order to properly service the 3-way catalytic converter.
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the front exhaust manifold pipe nuts from the exhaust manifold pipe studs.
3. Disconnect oxygen sensor harness.
4. Remove the catalytic converter bolts from the exhaust pipe.
5. Remove the 3-way catalytic converter.
Installation Procedure
Notice: To prevent internal damage to the flexible coupling of the catalytic converter assembly, the converter must be supported. The vertical movement at the rear of the catalytic converter assembly must not exceed 6 degrees up or down.
1. Install a new catalytic converter gasket.
2. Install a new exhaust manifold pipe gasket.
3. Position and support the new 3-way catalytic converter under the vehicle.
4. Install the exhaust pipe to the 3-way catalytic converter with the catalytic converter bolts. Do not tighten the bolts.
Notice: Refer to Fastener Notice in Service Precautions.
5. Install the exhaust manifold pipe nuts to the exhaust manifold pipe studs.
^ Tighten the front exhaust manifold pipe nuts to the exhaust manifold pipe stud to 35 Nm (26 ft. lbs.).
^ Tighten the catalytic converter bolts to 34 Nm (25 ft. lbs.).
6. Connect oxygen sensor harness.
7. Lower the vehicle.