Catalytic Converter: Service and Repair
REMOVAL^ Remove the two nuts and two bolts 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 Nm (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 Nm (25-34 ft lb).
^ Tighten exhaust manifold connections by alternately tightening the manifold nuts to 34-46 Nm (25-34 ft lb).