Catalytic Converter: Service and Repair

Catalytic Converter Replacement

Removal Procedure





1. Remove the exhaust manifold cover with the bolts.

Caution: Refer to Exhaust Service Caution in Service Precautions.

Notice: Refer to Flex Decoupler Notice in Service Precautions.

Notice: Refer to Catalytic Converter Movement Notice in Service Precautions.






2. Remove the catalytic converter upper flange nut.





3. Remove the connecting pipe mounting bracket bolt.
4. Remove the catalytic converter lower flange nuts.
5. Remove the catalytic converter and the gasket.

Installation Procedure





1. Install the catalytic converter and the gasket.

2. Install the catalytic converter lower flange nuts and the connecting pipe mounting bracket.
Tighten the connecting pipe to catalytic converter nuts to 40 Nm (30 ft. lbs.).
Tighten the connecting pipe mounting bracket bolt to 40 Nm (30 ft. lbs.).

Notice: Refer to Fastener Notice in Service Precautions.

Important: Position the catalytic converter onto the exhaust manifold flange with one upper flange nut.






3. Install the catalytic converter upper flange nuts.
Tighten the catalytic converter to exhaust manifold nuts to 50 Nm (37 ft. lbs.).





4. Install the exhaust manifold cover bolts.
Tighten the exhaust manifold cover bolts to 15 Nm (11 ft. lbs.).