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EXHAUST MANIFOLD AND TURBOCHARGER TSB Revision INTAKE AND EXHAUST 15-23 INSPECTION M1151009400132 . EXHAUST MANIFOLD CHECK 1. Check the exhaust manifold for damage and cracks, and replace it if necessary. 2. Using a straight edge and a thickness gauge, check for distortion of the cylinder head and turbocharger installation Limit <Cylinder head assembly side>: 0.70 mm (0.028 inch) Limit <Turbocharger assembly side>: 0.40 mm (0.016 inch) . TURBOCHARGER ASSEMBLY CHECK 1. Visually check the turbine wheel and the compressor wheel for cracking or other damage. 2. Check whether the turbine wheel and the compressor wheel can be easily turned by hand. 3. Check for oil leakage from the turbocharger assembly. regulating valve remains open. If any problem is found, |