Operation CHARM: Car repair manuals for everyone.

Checking the Pressure Under No-Load Conditions


CHECKING THE PRESSURE UNDER NO-LOAD CONDITIONS
1. Disconnect the pressure hose from the oil pump, and then connect the special tools.
2. Bleed the air, and then turn the steering wheel several times while the vehicle is not moving so that the temperature of the fluid raise to approximately 50 - 60°C (122 - 140°F).
3. Start the engine and idle it at 1,000 ± 100 rpm.





4. Check whether or not the hydraulic pressure is the standard value when no-load conditions are created by fully opening the shut-off valve of the pressure gauge.
Standard value: 4 - 6 kg/cm2 (56 - 85 psi)
5. If it is not within the standard value, the probable cause is a malfunction of the oil line or steering gear box, so check these parts and repair as necessary.
6. Remove the special tools, and then tighten the pressure hose to the specified torque.
7. Bleed the system.