Catalytic Converter: Service and Repair

Removal
1. Remove the two nuts and two bolts from exhaust pipe flange hold down spring attaching three way catalytic converter to muffler and muffler outlet pipe.

2. Loosen and remove the three nuts that connect the three way catalytic converter to dual converter Y pipe . Swing the muffler and muffler outlet pipe to the rear, and then remove the three way catalytic converter and exhaust converter outlet gaskets, disengaging rod from insulator.

3. Loosen and remove the exhaust manifold-to-inlet pipe bolts. Move the inlet pipe rearward, rotate to clear studs and remove.

Installation
1. Install exhaust inlet pipe onto exhaust manifold and loosely secure in place with retaining bolts.

2. Position three way catalytic converter in place, engaging rod into insulator.

3. Install a new exhaust converter outlet gasket between the three way catalytic converter and muffler. Secure the flange gasket and flanges with two bolts, exhaust pipe flange hold down spring, and two nuts. Tighten to 34-46 Nm (25-34 lb.ft.).

4. Install an exhaust converter inlet pipe gasket between the three way catalytic converter and dual converter Y pipe. Secure with three nuts and tighten to 34-46 Nm (25-34 lb.ft.).

5. Tighten exhaust manifold connections by alternately tightening the manifold nuts to 34-46 Nm (25-34 lb.ft.).