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EM-32 < REMOVAL AND INSTALLATION > EXHAUST MANIFOLD AND THREE WAY CATALYST 1. Remove the air cleaner case assembly, and air duct hose and resonator assembly. Refer to 2. Remove the battery and battery tray assembly. Refer to PG-68, "Removal and Installation (Battery Tray)" . 3. Remove the radiator. Refer to CO-14, "Removal and Installation" . 4. Remove the fan shroud and fan motor. Refer to CO-16, "Removal and Installation" . 5. Remove the front exhaust tube. Refer to 6. Remove the three way catalyst support brackets (LH). clamp. b. Remove both heated oxygen sensor 2 and air fuel ratio (A/F) sensor 1 using Tool. CAUTION: • Be careful not to damage heated oxygen sensors 2 or air fuel ratio (A/F) sensors 1. • Discard any heated oxygen sensor 2 which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; replace with a new sensor. 8. Remove exhaust manifold heat shield (LH) and three way catalyst heat shields (LH) using power tool. through bolts. 10. Loosen and remove the exhaust manifold nuts in the reverse order as shown. NOTE: Number 7 and 8 are not applicable to removal. 11. Remove the exhaust manifold (LH) and gasket. INSPECTION AFTER REMOVAL Surface Distortion • Use a suitable tool to check the flatness of the exhaust manifold mating surfaces as shown. • Replace the exhaust manifold if the measurement exceeds specifi- cations. INSTALLATION Installation is in the reverse order of removal. Tool numbers : KV10114400 (J-38365) : Engine front AWBIA1208GB Limit : 0.3 mm (0.012 in) PBIC1173E Exhaust manifold studs : 15.4 N·m (1.6 kg-m, 11 ft-lb) |