Caution: Refer to Battery Disconnect Caution in the Preface section.
- Disconnect the negative battery cable.
 
- Disconnect the ignition wires from the spark plugs.
 
- Disconnect the oxygen (O2) sensor.
 
- Remove the exhaust manifold heat shield bolts.
 
- Remove the exhaust manifold heat shield.
 
- Remove the auxiliary catalytic converter upper flange nuts.
 
- Remove the 8 exhaust manifold nuts in the sequence shown.
 
- Remove the exhaust manifold.
 
- Remove the exhaust manifold gasket.
 
Caution: Refer to Safety Glasses Caution in the Preface section.
- Clean the sealing surfaces of the exhaust manifold and the cylinder head.