Catalytic Converter: Service and Repair

REMOVAL
- Remove the two nuts, two bolts, and exhaust pipe flange hold down spring attaching three-way catalytic converter to muffler and muffler outlet pipe.
- 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.
- Loosen and remove the exhaust manifold-to-inlet pipe bolts. Move the inlet pipe rearward, rotate to clear studs and remove.

INSTALLATION
- Install exhaust inlet pipe onto exhaust manifold and loosely secure in place with retaining bolts.
- Position three-way catalytic converter in place, engaging rod into insulator.
- 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 N.m (25-34 ft lb).
- 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 N.m (25-34 ft lb).
- Tighten exhaust manifold connections by alternately tightening the manifold nuts to 34-46 N.m (25-34 ft lb).