{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"EMS","section_name":"Engine Mechanical 1997 Supplement","page":15,"pages_in_section":126,"title":"Replacement","section_header":"Engine Mechanical (2JZ-GTE) - Cylinder Head","ocr_text":"EM-43\nENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD\nEM0AK-02\n\nREPLACEMENT\n1. REPLACE VALVE GUIDE BUSHINGS\n(a) Using SST and a hammer, tap out the guide bushing.\n SST 09201-10000 (09201-01060),\n 09950-70010 (09951-07100)\n\nSST\nS00401\n\n(b) Using a caliper gauge, measure the bushing bore diameter of the cylinder head.\n\nP02265\n\n(c) Select a new guide bushing (STD or O/S 0.05).\nBoth intake and exhaust\n\nBushing bore diameter mm (in.) | Bushing size\n10.985 - 11.006 (0.4350 - 0.4333) | Use STD\n11.035 - 11.056 (0.4344 - 0.4353) | Used O/S 0.05\n\nIf the bushing bore diameter of the cylinder head is greater than 11.006 mm (0.4333 in.), machine the bushing bore to the following dimension:\n 11.035 - 11.056 mm (0.4344 - 0.4353 in.)\nIf the bushing bore diameter of the cylinder head is greater than 11.056 mm (0.4353 in.), replace the cylinder head.\n(d) Using SST and a hammer, tap in a new guide bushing to the specified protrusion height.\n SST 09201-10000 (09201-01060),\n 09950-70010 (09951-07100)\nProtrusion height:\nIntake 12.3 - 12.7 mm (0.484 - 0.500 in.)\nExhaust 11.4 - 11.8 mm (0.449 - 0.465 in.)\n\nSST\nS00401 P02168 Z16742\n\nIntake Exhaust\n38.5 mm (1.516 in.) 40.5 mm (1.594 in.)\nP04791\n\nHINT:\nDifferent bushings are used for the intake and exhaust.\n\n1997 SUPRA (RM502U)\n\nAuthor : Date : 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