Catalytic Converter: Service and Repair

Catalytic Converter Replacement

Removal Procedure

Caution: Refer to Exhaust Service Caution (Service Precautions).





Notice: Refer to Flex Decoupler Notice (Flex Decoupler Notice).

Notice: Refer to Catalytic Converter Movement Notice (Service Precautions).

1. Remove the exhaust manifold cover with the bolts.




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.

Notice: Refer to Fastener Notice (Fastener Notice).

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


2. Install the catalytic converter lower flange nuts and the connecting pipe mounting bracket.

* Tighten the connecting pipe to catalytic converter nuts to 40 N.m (30 lb ft).
* Tighten the connecting pipe mounting bracket bolt to 40 N.m (30 lb ft).





3. Install the catalytic converter upper flange nuts.

Tighten the catalytic converter to exhaust manifold nuts to 50 N.m (37 lb ft).




4. Install the exhaust manifold cover bolts.

Tighten the exhaust manifold cover bolts to 15 N.m (11 lb ft).