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STEERING - On-vehicle Service 37A-11 POWER STEERING OIL PRESSURE SWITCH CHECK 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 rises to approximately 50 - 60_C. 3. The engine should be idling. 4. Disconnect the connection of the connector for the oil pressure switch, and set an ohmmeter in position. 5. 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. 6. 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. 7. Remove the special tools, and then tighten the pressure hose to the specified torque. 8. Bleed the system. BALL JOINT DUST COVER CHECK 1. Check the dust cover for cracks or damage by pushing it with finger. 2. If the dust cover is cracked or damaged, replace the tie rod end. Cracks or damage of the dust cover may cause damage of the ball joint. Temperature gauge Shut-offvalve Oil pump Reservoir Adapter gauge Adapter |