Exhaust Manifold: Service and Repair
Exhaust Manifold Removal
1. Disconnect the negative battery cable.
Caution: Refer to Battery Disconnect Caution in Service Precautions.
2. Disconnect the oxygen sensor connector.
Notice: Refer to Oxygen Sensor Notice in Service Precautions.
3. Remove the exhaust manifold heat shield.
4. Remove the exhaust manifold nuts from the pup converter.
5. Remove the exhaust manifold retaining nuts in the sequence shown and remove the exhaust manifold.
6. Remove the exhaust manifold gasket.
7. Clean the sealing surfaces of the exhaust manifold and the cylinder head.
Exhaust Manifold Installation
1. Install the exhaust manifold and gasket.
2. Install the exhaust manifold retaining nuts and tighten in the sequence shown.
Tighten the exhaust manifold retaining nuts to 25 Nm (18 ft. lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the exhaust manifold nuts to the catalytic converter.
Tighten the exhaust manifold nuts to 40 Nm (30 ft. lbs.).