Catalytic Converter: Service and Repair

THREE-WAY CATALYTIC CONVERTER REMOVAL/INSTALLATION

1. Raise the vehicle. See LIFTING.
2. Disconnect the downstream oxygen sensor connector.
3. Remove the downstream oxygen sensor. See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION.
4. Remove the muffler and tailpipe. See MUFFLER AND TAILPIPE REMOVAL/INSTALLATION.
5. Remove the nuts.

NOTE: The exhaust hanger bracket insulators can be reused if they show no signs of damage.

6. Remove the three-way catalytic converter and the exhaust outlet pipe frame brackets.
7. Install the exhaust inlet pipe gasket, the three-way catalytic converter and the exhaust outlet pipe frame brackets.
8. Install the nuts.

Tightening Torque
25 - 35 N.m (2.6 - 3.6 kgf.m, 19 - 25 ft.lbf)

9. Install the muffler and tailpipe. See MUFFLER AND TAILPIPE REMOVAL/INSTALLATION.
10. Lower the vehicle.