FUSO 4M4 – INTAKE AND EXHAUST – ON-VEHICLE INSPECTION AND ADJUSTMENT – Check for Cracks and Gas Leakage in Exhaust Manifold

• Inspect the exhaust manifold visually. If there is any trace of gas leakage or cracks, replace the exhaust manifold.
(See “EXHAUST MANIFOLD”.)

• Check for looseness in the exhaust manifold mounting nuts. If there is looseness, tighten the nuts to the specified torque. (See “EXHAUST MANIFOLD”.)

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