TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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PS/Steering51 / 52
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SERVICE SPECIFICATIONS
SERVICE DATA — MK4 Supra Steering, page 51
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SR–51 STEERING – SERVICE SPECIFICATIONS SERVICE SPECIFICATIONS SERVICE DATA Steering wheel freeplay Maximum 30 mm (1.18 in.) STEERING COLUMN Pawl stopper Mark 1 or A 12.68–12.74 mm (0.4992–0.5016 in.) 2 or B 12.61–12.67 mm (0.4965–0.4988 in.) 3 or C 12.54–12.60 mm (0.4937–0.4961 in.) 4 or D 12.47–12.53 mm (0.4909–0.4933 in.) 5 or E 12.40–12.46 mm (0.4882–0.4906 in.) 6 or F 12.33–12.39 mm (0.4854–0.4878 in.) 7 or G 12.26–12.32 mm (0.4827–0.4850 in.) PS ON–VEHICLE INSPECTION Maximum rise of oil level Below 5 mm (0.20 in.) Oil pressure at idle speed with valve closed Minimum 7,845 kPa (80 kgf/cm2, 1,140 psi) Steering effort at idle speed Maximum 0.4 N·m (3.6 kgf·cm, 3.1 in.·lbf) PS VANE PUMP Rotor shaft bushing oil clearance STD 0.03–0.05 mm (0.0012–0.0020 in.) Rotor shaft bushing oil clearance Maximum 0.07 mm (0.0028 in.) Vane plate to rotor groove clearance Maximum 0.03 mm (0.0012 in.) Vane plate height Minimum 8.6 mm (0.339 in.) Vane plate thickness Minimum 1.40 mm (0.0551 in.) Vane plate length Minimum 14.99 mm (0.5902 in.) Vane plate length Rotor and cam ring mark NONE 14.999–15.001 mm (0.59051–0.59059 in.) 1 14.997–14.999 mm (0.59043–0.59051 in.) 2 14.995–14.997 mm (0.59035–0.59043 in.) 3 14.993–14.995 mm (0.59027–0.59035 in.) 4 14.991–14.993 mm (0.59020–0.59027 in.) Flow control spring length Minimum 33 mm (1.30 in.) Pump rotating torque 0.2 N·m (2.5 kgf·cm, 2.2 in.·lbf) or less PS GEAR HOUSING Steering rack runout Maximum 0.30 mm (0.0118 in.) Total preload 1.0–1.9 N·m (10–20 kgf·cm, 8.7–17.4 in.·lbf) Solenoid valve resistance 6–11 Ω