EM-43 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD EM0AK-02 REPLACEMENT 1. REPLACE VALVE GUIDE BUSHINGS (a) Using SST and a hammer, tap out the guide bushing. SST 09201-10000 (09201-01060), 09950-70010 (09951-07100) SST S00401 (b) Using a caliper gauge, measure the bushing bore diameter of the cylinder head. P02265 (c) Select a new guide bushing (STD or O/S 0.05). Both intake and exhaust Bushing bore diameter mm (in.) | Bushing size 10.985 - 11.006 (0.4350 - 0.4333) | Use STD 11.035 - 11.056 (0.4344 - 0.4353) | Used O/S 0.05 If 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: 11.035 - 11.056 mm (0.4344 - 0.4353 in.) If the bushing bore diameter of the cylinder head is greater than 11.056 mm (0.4353 in.), replace the cylinder head. (d) Using SST and a hammer, tap in a new guide bushing to the specified protrusion height. SST 09201-10000 (09201-01060), 09950-70010 (09951-07100) Protrusion height: Intake 12.3 - 12.7 mm (0.484 - 0.500 in.) Exhaust 11.4 - 11.8 mm (0.449 - 0.465 in.) SST S00401 P02168 Z16742 Intake Exhaust 38.5 mm (1.516 in.) 40.5 mm (1.594 in.) P04791 HINT: Different bushings are used for the intake and exhaust. 1997 SUPRA (RM502U) Author : Date : 1148