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(h) Using a sharp 5.5 mm reamer, ream the guide bush to obtain the standard oil clearance between the guide bush and valve stem. Standard oil clearance: 0.025 to 0.060 mm (0.000984 to 0.00236 in.) 2. REPLACE EXHAUST VALVE GUIDE BUSH (a) Heat the cylinder head to approximately 80 to 100°C (176 to 212°F). (b) Place the cylinder head on wooden blocks. (c) Using SST and a hammer, tap out the valve guide bush. SST: 09201-10000 09201-01050 SST: 09950-70010 09951-07100 (d) Using a caliper gauge, measure the bush bore diameter of the cylinder head. Standard cylinder bore diameter: 10.285 to 10.306 mm (0.405 to 0.406 in.) (e) Select a new guide bush (STD or O/S 0.05), and measure its diameter. BUSH SIZE SPECIFIED CONDITION STD 10.333 to 10.344 mm (0.4068 to 0.4072 in.) O/S 0.05 10.383 to 10.394 mm (0.4088 to 0.4092 in.) Standard bush length: 46.8 to 47.2 mm (1.84 to 1.86 in.) 3UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACE... |