EG–60 ENGINE – ENGINE MECHANICAL About 50 mm Compressed Thread P02464 16. INSPECT CYLINDER HEAD BOLTS Using a vernier caliper, measure the thread outside diameter of the bolt. Standard outside diameter: 10.8–11.0 mm (0.425–0.433 in.) Minimum outside diameter: 10.7 mm (0.421 in.) If the diameter is less than minimum, replace the bolt. CYLINDER HEAD ASSEMBLY HINT: • Thoroughly clean all parts to be assembled. • Before installing the parts, apply new engine oil to all sliding and rotating surfaces. • Replace all gaskets and oil seals with new ones. Adhesive Width 2 – 3 mm Adhesive 10 mm P02185 1. INSTALL HEATER UNION HINT: When using a new cylinder head, a new heater union must be installed. (a) Apply adhesive to the end of the heater union as shown in the illustration. Adhesive: Part No. 08833–00070, THREE BOND 1324 or equivalent Protrusion P02451 208040 (b) Using a wooden block and hammer, tap in a new heater union, leaving standard position protruding from the cylinder head. Standard protrusion: 2JZ–GE 48 mm (1.89 in.) 2JZ–GTE 73 mm (2.87 in.) NOTICE: Do not tap it in too far. P02361 2. INSTALL VALVES (a) Install a new oil seal on the valve guide bushing.