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EXHAUST MANIFOLD AND THREE WAY CATALYST EM-181 < REMOVAL AND INSTALLATION > [QR25DE] C D E F G H I J K L M A EM N P O 6. Disconnect the air fuel ratio sensor 1 harness connector. 7. Remove the oil level gauge and oil level gauge guide. Refer to 8. Move the resonator of air duct assembly, set it aside. 9. Remove the exhaust manifold cover (upper). 10. Loosen the exhaust manifold and three way catalyst nuts in the reverse order as shown. 11. Remove the exhaust manifold and three way catalyst assembly and gasket. Discard the gasket. 13. Remove the air fuel ratio sensor 1 using SST (A), (if neces- sary). CAUTION: • Be careful not to damage air fuel ratio sensor. from a height of more than 0.5 m (19.7 in) onto a hard sur- INSTALLATION Exhaust Manifold 1. Install studs in cylinder head and exhaust manifold (if removed). Then tighten to specification. CAUTION: Do not reuse cylinder head or exhaust manifold studs. 2. Install three way catalyst cover (if removed) and bolts. Then CAUTION: Do not reuse bolts. :Engine front JSBIA3332ZZ SST numbers : KV10117100 ALBIA0919GB ALBIA0887GB |