Catalytic Converter Replacement 3.8 L

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the exhaust manifold pipe bolts at the exhaust manifolds.
3. Remove the exhaust pipe gaskets.



4. Remove the connector position assurance (CPA) retainer.
5. Disconnect the heated oxygen sensor electrical connector.



6. Remove the heated oxygen sensor from the three way catalytic converter.
7. Loosen the muffler clamp bolt at the three way catalytic converter.



8. Remove the catalytic converter hanger bolts.
9. Remove the catalytic converter hanger from the hanger bracket.



10. Twist and slide out the three way catalytic converter from the exhaust muffler.

1. Twist and slide the three way catalytic converter into the exhaust muffler.



2. Install the catalytic converter hanger to the hanger bracket.
3. Install the catalytic converter hanger bolts.

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




4. Install the exhaust manifold pipe bolts at the exhaust manifolds.

Tighten
Tighten the exhaust manifold pipe bolts to 30 N·m (22 lb ft) alternating back and forth from the left to the right manifolds.

5. Tighten the exhaust muffler clamp bolt at the three way catalytic converter.

Tighten
Tighten the exhaust muffler clamp bolt to 48 N·m (35 lb ft).




6. Install the heated oxygen sensor to the three way catalytic converter.

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




7. Connect the heated oxygen sensor electrical connector.
8. Install the CPA retainer.
9. Lower the vehicle.