Catalytic Converter Replacement 3800 VIN K

1. Raise the vehicle. Suitably support the vehicle. Refer to Section 0A.



2. Disconnect the electrical connectors from the heated oxygen sensors.



3. Remove the heated oxygen sensors from the catalytic converter.



4. Remove the catalytic converter bolts at the exhaust manifolds.



5. Remove the exhaust pipe clamp bolt at the catalytic converter.
6. Remove the catalytic converter from the exhaust pipe.



7. Remove the catalytic converter hanger bolts.
8. Remove the catalytic converter hanger from the catalytic converter.

1. Install the catalytic converter to the catalytic converter hanger.
2. Install the catalytic converter hanger bolts.

Tighten
Tighten the catalytic converter hanger bolts to 41 N·m (30 lb ft).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.




3. Install the catalytic converter to the exhaust pipe.
4. Install the exhaust pipe clamp bolt at the catalytic converter.

Tighten
Tighten the exhaust pipe clamp bolt to 68 N·m (50 lb ft).




5. Install the catalytic converter pipe bolts at the exhaust manifolds.

Tighten
Tighten the catalytic converter pipe bolts to 30 N·m (22 lb ft).




6. Install the heated oxygen sensors.

Tighten
Tighten the heated oxygen sensors to 42 N·m (31 lb ft).




7. Connect the heated oxygen sensors electrical connectors.
8. Lower the vehicle.