TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.040

PS/Steering, page 41

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p.042
Steering — MK4 Supra Steering, page 41
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Page text (OCR transcript)
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)