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Power Steering Pressure Control Valve: Testing and Inspection


OIL PUMP PRESSURE TEST (OIL PUMP RELIEF PRESSURE)
1. Disconnect the pressure hose from the oil pump. Connect the special tool between the oil pump and pressure hose as illustrated.
2. Bleed the air, and then start the engine and turn the steering wheel several times so that the fluid temperature rises to approximately 50°C (122°F).
3. Set the engine speed to 1,000 rpm.
4. Close the shut-off valve of the special tool and measure the fluid pressure to confirm that it is within the range.

standard value :
Relief pressure: 90 kgf/cm2 (1280 psi)


CAUTION:
Do not keep the shut-off valve on the pressure gauge closed longer than 10 seconds.




5. Remove the special tools, and tighten the pressure hose to the specified torque.

Tightening Torque Nm(kgf·m, lb-ft) :
65 - 75(6.5 - 7.5, 47 - 54)


6. Bleed the system.