TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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PS/Steering29 / 52
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STEERING — POWER STEERING VANE PUMP — MK4 Supra Steering, page 29
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SR–29 STEERING – POWER STEERING VANE PUMP Compressed Air (b) Check the valve for leakage. Close one of the holes and apply 392–490 kPa (4–5 kgf/cm2, 57–71 psi) of compressed air into the opposite side, and confirm that air does not come out from the end holes. 807591 Mark If necessary, replace the valve with one having the same let- ter as inscribed on the front housing. Inscribed mark: A, B, C, D, E or F 807600 Calipers 4. INSPECT SPRING Using calipers, measure the free length of the spring. Free length mm (in.) Minimum 33 (1.30) 806702 SST 5. IF NECESSARY, REPLACE OIL SEAL (a) Using SST, tap out the oil seal. SST 09631–10030 NOTICE: Be careful not to damage the bushing of the front housing. X6174 Z06200 (b) Coat a new oil seal lip with power steering fluid. (c) Using a socket wrench (24 mm), press in the oil seal. NOTICE: Make sure you install the oil seal facing the cor- rect direction. X6180 Z06067