For 1990-2009 cars only
Removal Procedure
- Disconnect the negative battery cable.
- Remove the spark plug cover.
- Remove the exhaust manifold heat shield bolts and the heat shield.
- Remove the catalytic converter upper flange nuts.
- Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
- Remove the splash guard. Refer to Engine Cover Replacement in Frame and Underbody.
- Remove the catalytic converter lower flange nuts.
- Remove the front exhaust pipe mounting bracket bolts and bracket.
- Remove the catalytic converter.
Caution: Refer to Exhaust Service Caution in the Preface section.
Caution: Refer to Battery Disconnect Caution in the Preface section.
Notice: Refer to Flex Decoupler Notice in the Preface section.
Notice: Refer to Catalytic Converter Movement Notice in the Preface section.
Installation Procedure
- Fit the catalytic converter onto the connecting pipe, raise the front exhaust pipe, and install the front exhaust pipe mounting bracket nuts and bracket.
- Install the catalytic converter lower flange nuts.
- Install the splash guard. Refer to Engine Cover Replacement in Frame and Underbody.
- Lower the vehicle.
- Install the catalytic converter upper flange bolts.
- Install the exhaust manifold heat shield and heat shield bolts.
- Install the exhaust cover mounting bolts and the engine cover.
- Connect the negative battery cable.
Notice: Refer to Fastener Notice in the Preface section.
Tighten
Tighten the connecting pipe mounting bracket nuts
to 30 N·m (22 lb ft).
Tighten
Tighten the catalytic converter-to-connecting pipe
nuts to 40 N·m (30 lb ft).
Tighten
Tighten the catalytic converter-to-exhaust manifold
nuts to 40 N·m (30 lb ft).
Tighten
Tighten the exhaust manifold heat shield bolts to
3 N·m (27 lb ft).
