Exhaust Manifold: Service and Repair
Removal and Installation1. Disconnect the air fuel ratio (A/F) sensor connector and secondary heated oxygen sensor (secondary H02S) connector.
2. Remove the cover and exhaust manifold bracket, then remove the exhaust manifold/three way catalytic converter (TALC) assembly.
3. Install the exhaust manifold/TWC assembly and tighten the bolts/nuts in a crisscross pattern in two or three steps, beginning with the inner bolt.
4. Install the other parts in the reverse order of removal.