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EM-200 < ON-VEHICLE REPAIR > [VQ40DE] CYLINDER HEAD 6. Remove cylinder head bolts in reverse order as shown using 7. Remove cylinder head gaskets. INSPECTION AFTER REMOVAL Cylinder Head Bolts Outer Diameter • Cylinder head bolts are tightened by plastic zone tightening method. Whenever the size difference between (d1) and (d2) • If reduction of outer diameter appears in a position other than (d2), use it as (d2) point. Cylinder Head Distortion NOTE: 1. Using suitable tool, wipe off oil, scale, gasket, sealant and carbon deposits from surface of cylinder head. CAUTION: Do not allow gasket fragments to enter engine oil or engine coolant passages. 2. At each of several locations on bottom surface of cylinder head, • If it exceeds the limit, replace cylinder head. INSTALLATION PBIC2057E Limit [(d1) - (d2)] : 0.11 mm (0.0043 in) PBIC2480E Limit : 0.1 mm (0.004 in) SEM861E |