TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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PS/Steering41 / 52
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STEERING — POWER STEERING GEAR — MK4 Supra Steering, page 41
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SR–41 STEERING – POWER STEERING GEAR Screwdriver R11205 SST 87400 206085 R11250 Screwdriver SST E8728 206088 5. IF NECESSARY, REPLACE TEFLON RINGS (a) Using a screwdriver, remove the 4 rings from the control valve assembly. NOTICE: Be careful not to damage the grooves for the ring. (b) Expand 4 new rings with your fingers. NOTICE: Be careful not to over–expand the ring. (c) Install the 4 rings. (d) Coat the 4 rings with power steering fluid and snug them down with your fingers. (e) Carefully slide the tapered end of SST over the rings to seal them. SST 09631–20081 NOTICE: Be careful not to damage the rings. 6. IF NECESSARY, REPLACE TEFLON RINGS AND O–RINGS (a) Using a screwdriver, remove the 2 teflon rings and O –rings from the control valve assembly. NOTICE: Be careful not to damage the grooves for the teflon ring. (b) Coat 2 new O–rings with power steering fluid, and install them. (c) Expand 2 new teflon rings with your fingers. NOTICE: Be careful not to over–expand the teflon rings. (d) Install the 2 teflon rings. (e) Coat the teflon rings with power steering fluid, and snug them down with your fingers. (f) Carefully slide the tapered end of SST over the teflon rings to seal them. SST 09631–32020 NOTICE: Be careful not to damage the teflon rings. 7. IF NECESSARY, REPLACE PRESSURE CONTROL VALVE ASSEMBLY (a) Using a hexagon wrench (6 mm), remove the 3 bolts. (b) Remove the 3 O–rings from the control valve housing. (c) Coat 3 new O–rings with power steering fluid, and install them. (d) Using a hexagon wrench (6 mm), install a new valve assembly with the 3 bolts. Torque: 18 N·m (185 kgf·cm, 13 ft·lbf)