Catalytic Converter: Service and Repair

Removal





1. Remove the heat shield.





2. Detach the catalytic converter from the manifold.
3. Raise and support the vehicle.





4. Disconnect the heated oxygen sensor electrical connector.
1 Disconnect the electrical connector.
2 Unclip the wiring.





5. Detach the flange connection





6. Detach the exhaust hanger insulator.





7. Remove the catalytic converter.
1 Loosen the support bracket retaining bolts.
2 Remove the clamp bolt.
3 Remove the catalytic converter.
- Discard gasket and nuts.

Installation

1. NOTE: Check the exhaust hanger insulators for damage or fatigue. Install new exhaust insulators if required.





Install the catalytic converter.
1 Position the catalytic converter.
2 Install the clamp bolt.
3 Tighten the support bracket retaining bolts.

2. CAUTION: The exhaust hanger insulators are constructed of a special material. Use only the correct specification insulators.





Install the exhaust hanger insulator.





3. NOTE: Install a new gasket and nuts.

Loosely connect the flange joint.
4. Lower the vehicle.

5. CAUTION: Never use jointing compound forward of a catalytic converter.





Tighten the manifold to catalytic convertor nuts.





6. Install the heat shield.
7. Raise and support the vehicle.





8. Tighten the flange nuts.





9. Connect the heated oxygen sensor electrical connector.
- Clip the wiring in position.

10. Lower the vehicle.