TSRM/MK2 Supra/Repair Manual
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A/Service Specifications — Steering Specifications, page 26

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Steering Specifications — MK2 Supra Service Specifications, page 26
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Page text (OCR transcript)
STEERING
Specifications

Steering
Steering wheel freeplay          Limit          30 mm          1.18 in.
Steering rack runout             Limit          0.3 mm         0.012 in.

Power steering
Maximum rise of oil level                       5 mm           0.20 in.
Oil pressure                     at idle speed   More than 65 kg/cm² (924 psi, 6,374 kPa)
Variation in vane pump discharge pressure        Less than 5 kg/cm² (71 psi, 490 kPa)
(at 1,000 rpm and 3,000 rpm)
Drive belt tension               New belt        125 ± 25 lb
                                 Used belt       80 ± 20 lb
Steering effort                  at Steering wheel  Less than 4 kg (8.8 lb, 39N)
Vane plate                       Length    STD         15.00 mm       0.5906 in.
                                          Limit        14.97 mm       0.5894 in.
                                 Height    STD          8.2 mm        0.323 in.
                                          Limit         7.8 mm        0.307 in.
                                 Thickness STD          1.8 mm        0.071 in.
                                          Limit         1.7 mm        0.067 in.
Vane plate to vane plate groove clearance
                                          Limit         0.06 mm       0.0024 in.
Shaft to bushing clearance               STD          0.010 — 0.030 mm  0.0004 — 0.0012 in.
                                          Limit         0.07 mm       0.0028 in.
Flow control valve spring length         STD          50.0 mm        1.969 in.
                                          Limit        47.0 mm        1.850 in.
Pump rotating torque                               Less than 2.8 kg·cm (2.4 .in.·lb, 0.3 N·m)
Steering rack runout                     Limit         0.3 mm        0.012 in.
Control valve shaft preload      at Turning        4.5 — 6.5 kg·cm
                                                     (3.9 — 5.6 in.·lb, 0.4 — 0.6 N·m)
Total preload                    at Turning        9 — 12 kg·cm
                                                     (7.8 — 10.4 in.·lb, 0.9 — 1.2 N·m)

Vane length                      Rotor and cam
                                 ring mark
                                 None              14.996 — 14.998 mm   0.5904 — 0.5905 in.
                                 1                 14.994 — 14.996 mm   0.5903 — 0.5904 in.
                                 2                 14.992 — 14.994 mm   0.5902 — 0.5903 in.
                                 3                 14.990 — 14.992 mm   0.59016 — 0.59024 in.
                                 4                 14.988 — 14.990 mm   0.5901 — 0.5902 in.

Tilt steering    Collar No. 1 outer diameter      17.989 — 17.996 mm   0.7082 — 0.7085 in.
                                                   17.996 — 18.003 mm   0.7085 — 0.7088 in.
                                                   18.003 — 18.010 mm   0.7088 — 0.7091 in.
                                                   18.010 — 18.017 mm   0.7091 — 0.7093 in.
                                                   18.017 — 18.024 mm   0.7093 — 0.7096 in.