Removal Procedure
Warning: Refer to Exhaust Service Warning in the Preface section.
Warning: Refer to Protective Goggles and Glove Warning in the Preface section.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Support the exhaust system near the resonator with a suitable jack.
- Remove the oxygen sensor. It is not necessary to disconnect the electrical connector.
- Remove the nuts securing the catalytic converter to the exhaust manifold pipe.
- Remove the bolts securing the center exhaust hangers to the rear suspension support brackets.
- Remove the catalytic converter from the manifold pipe.
- Lower the exhaust system.
- Remove the catalytic converter gasket (1). Do not reuse the gasket.
Note: Ensure the cut (1) is made 34 mm (1.3 in) from the weld on the intermediate pipe.
- Cut the intermediate pipe 34 mm (1.3 in) from the resonator weld.
Installation Procedure
- Slide 2 service clamps (1) over the catalytic converter assembly outlet pipe.
Do not tighten at this time.
Note: Ensure the O2 sensor boss is facing the right side of the vehicle.
- Slide the catalytic converter assembly (1) outlet pipe over the intermediate pipe (2).
Caution: Refer to Exhaust System Inspection Caution in the Preface section.
- Place a NEW catalytic converter gasket over the catalytic converter studs.
Caution: Refer to Flex Decoupler Caution in the Preface section.
- Raise the exhaust system into position, aligning the catalytic converter with the exhaust manifold pipe.
- Install the nuts securing the catalytic converter to the exhaust manifold pipe.
Do not tighten at this time.
Caution: Refer to Fastener Caution in the Preface section.
- Install the bolts securing the center exhaust hangers to the rear suspension support brackets.
Tighten
Tighten the center exhaust hanger bolts to 30 N·m (22 lb ft).
- Tighten the catalytic converter nuts.
Tighten
Tighten the catalytic converter nuts in a crisscross pattern to 25 N·m (18 lb ft).
- Remove the jack from under the vehicle.
- Position the service clamps midway on the catalytic converter assembly outlet pipe, as close together as possible.
- Rotate the clamps so the fastening ends are pointing in opposite directions.
Tighten
Tighten the service clamps to 54 N·m (40 lb ft).
- Lower the vehicle.
- Check the exhaust system for leaks.