TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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PS/Steering44 / 52
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STEERING — POWER STEERING GEAR — MK4 Supra Steering, page 44
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SR–44 STEERING – POWER STEERING GEAR 12. ADJUST TOTAL PRELOAD (a) Using a hexagon wrench (24 mm), torque the rack guide spring cap. Torque: 25 N·m (250 kgf·cm, 18 ft·lbf) (b) Using a hexagon wrench (24 mm), return the cap 125 (c) Using SST, turn the control valve shaft right and left 1 or 2 times. SST 09616–00010 (d) Using a hexagon wrench (24 mm), loosen the cap until the rack guide spring is not functioning. (e) Using SST, a torque wrench and hexagon wrench (24 mm), tighten the cap until the preload is within specification. SST 09616–00010 Preload (turning): 1.0–1.9 N·m (10–20 kgf·cm, 8.7–17.4 in.·lbf) 13. INSTALL RACK GUIDE SPRING CAP LOCK NUT (a) Apply sealant to 2 or 3 threads of the nut. Sealant: Part No. 08833–00080, THREE BOND 1344, LOCTITE 242 or equivalent (b) Using SST and hexagon wrench (24 mm), torque the nut. SST 09922–10010 Torque: 56 N·m (567 kgf·cm, 41 ft·lbf) NOTICE: Use SST 09922–10010 in the direction shown in the illustration. HINT: Use a torque wrench with a fulcrum length of 340 mm (13.39 in.) (c) Recheck the total preload. Preload (turning): 1.0–1.9 N·m (10–20 kgf·cm, 8.7–17.4 in.·lbf) 14. INSTALL DUST COVER 15. INSTALL RH AND LH CLAW WASHERS AND RACK ENDS (a) Install a new washer, and temporarily install the rack end. HINT: Align the claws of the washer with the rack grooves. Rack Groove Fulcrum Length SST Hexagon Wrench SST Fulcrum Length (b) Using a spanner (22 mm) to hold the steering rack, and using SST, torque the rack end. SST 09922–10010 Torque: 90 N·m (914 kgf·cm, 66 ft·lbf) NOTICE: Use SST 09922–10010 in the direction shown in the illustration. HINT: Use a torque wrench with a fulcrum length of 380 mm (14.96 in.)