Exhaust Manifold: Service and Repair
Exhaust Manifold Removal and Installation1. Disconnect the air fuel ratio (A/F) sensor connector and secondary heated oxygen sensor (secondary HO2S) connector, then remove the three-way catalytic converter (TWC).
2. Remove the under-cowl cover, then remove the strut brace.
3. Remove the rocker arm oil control solenoid. Remove the cover and exhaust manifold bracket, then remove the exhaust manifold.
4. Install the exhaust manifold, and tighten the bolts and nuts in a crisscross pattern in two or three steps, beginning with the inner nut.
5. Install the other parts in the reverse order of removal.