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Power Steering Pressure Switch Check
- Disconnect the pressure hose from the oil pump, and then connect the special tools.
- Bleed the air, and then turn the steering wheel several times while the vehicle is not moving so that the temperature of the fluid rises to approximately 50-60°C (122-140°F).
- The engine should be idling.
- Disconnect the connection of the connector for the pressure switch, and place an ohmmeter in position.
- Gradually close the shut-off valve of the pressure gauge and increase the hydraulic pressure then check whether or not the hydraulic pressure that activates the switch is the standard value.
- Standard value: 3.4-4.4 MPa (483-625 psi)
- Gradually open the shut-off valve and reduce the hydraulic pressure; then check whether or not the hydraulic pressure that deactivates the switch is the standard value.
- Standard value: 1.8-2.4 MPa (255-341 psi)
- Remove the special tools, and then tighten the pressure hose to the specified torque.
- Bleed the system.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.