TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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PS/Steering8 / 52
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POWER STEERING FLUID REPLACEMENT — MK4 Supra Steering, page 8
100%
SR–8 STEERING – ON–VEHICLE INSPECTION Normal Abnormal R07291 4. CHECK FOR FOAMING OR EMULSIFICATION If there is foaming or emulsification, bleed power steering system. (See page SR–9) 5 mm (0.2in.) or less Engine Idling Engine Stopped R10552 5. CHECK FLUID LEVEL RISE (a) With the engine idling, measure the fluid level in the reservoir. (b) Stop the engine. (c) Wait a few minutes and remeasure the fluid level in the reservoir. Fluid level rise mm (in.) Maximum 5 (0.2) If a problem is found, bleed power steering system. (See page SR–9) 6. CHECK FLUID LEVEL POWER STEERING FLUID REPLACEMENT 1. JACK UP FRONT OF VEHICLE AND SUPPORT IT WITH STANDS 2. DRAIN FLUID (a) Disconnect the return hose from the PS vane pump. (b) Turn the steering wheel from lock to lock. 3. FILL OIL RESERVOIR (a) Fill oil reservoir with fresh fluid. Fluid: ATF DEXRON® II (b) Start engine. (c) After 1 or 2 seconds, fluid will begin to discharge from the return hose. (d) Stop the engine immediately. NOTICE: Take care that some fluid remains in the oil reservoir. (e) Repeat steps (a), (b), (c) and (d) until there is no more air in fluid. (f) Connect the return hose. 4. BLEED POWER STEERING SYSTEM (See page SR–9)