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EM-32 < REMOVAL AND INSTALLATION > [HR16DE] EXHAUST MANIFOLD 7. Use Tool (A) to remove the air-fuel ratio sensor 1 with exhaust manifold installed on vehicle (if necessary). CAUTION: • Handle air-fuel ratio sensor 1 carefully and avoid impacts. • Before installing a new air-fuel ratio sensor 1, clean the exhaust tube threads using suitable tool and approved anti-seize lubricant. • If air-fuel ratio sensor is dropped onto a hard surface, such as a concrete floor, from a height of 0.5 m or more, discard the sensor and use a new one. 8. Remove exhaust manifold. • Loosen nuts in reverse order as shown. 9. Remove exhaust manifold gasket. INSPECTION AFTER REMOVAL Mounting Surface Distortion • Using suitable tools (A) and (B), check the surface distortion of the exhaust manifold mating surface as shown. • Replace exhaust manifold if it exceeds the limit. INSTALLATION Installation is in the reverse order of removal. Note the following: Exhaust manifold 1. Install new exhaust manifold gasket. CAUTION: Tool number : KV10117100 ( — ) Oxygen sensor thread cleaner : — (J-43897-12) Oxygen sensor thread cleaner : — (J-43897-18) JPBIA4126ZZ JPBIA4127ZZ Limit : Refer to PBIC3530J |