Toyota Hilux Surf 1993 Owner's Manual page 783

STEERING – Power Steering (Power Steering Pump)
(b) Check the flow control valve for leakage.
Close one of the holes and apply compressed air [392 –
490 kPa (4 – 5 kgf/cm
side, and confirm that air does not come out from the end
hole.
If necessary, replace the valve with one having the same
letter as inscribed on the front housing.
Inscribed mark: A, B, C, D, E or F
4. INSPECT FLOW CONTROL SPRING
Using a scale, measure the free length of the spring.
Spring length: 35–37 mm (1.38–1.46 in.)
If not within specification, replace the spring.
5. IF NECESSARY, REPLACE OIL SEAL
(a) Using a screwdriver, pry out the oil seal.
(b) Using a socket wrench and hammer, drive in a new
oil seal.
2
, 57 – 71 psi)] into the opposite
SR–51