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Bleeding Hydraulic System NLST0014 1. Raise front end of vehicle until wheels are clear of the ground. 2. Add fluid into oil tank to specified level. Then quickly turn steer- 3. Start engine. I Incomplete air bleeding will cause the following to occur. When a) Air bubbles in reservoir tank b) Clicking noise in oil pump c) Excessive buzzing in oil pump Fluid noise may occur in the valve or oil pump. This is common SST491B SST090B Checking Steering Wheel Turning Force NLST0015 1. Park vehicle on a level, dry surface and set parking brake. 2. Start engine. 3. Bring power steering fluid up to adequate operating tempera- Tires need to be inflated to normal pressure. Check steering wheel turning force when steering wheel has Steering wheel turning force: 26 - 32 N (2.7 - 3.3 kg, 5.8 - 7.2 lb) 5. If steering wheel turning force is out of specification, check a. Disconnect steering column lower joint and knuckle arms from b. Start and run engine at idle to make sure steering fluid has c. Pull tie-rod slowly to move it from neutral position to ± 11.5 mm ( ± 0.453 in) at speed of 3.5 mm (0.138 in)/s. Check that rack sliding force is within specification. Average rack sliding force: 197 - 255 N (20.1 - 26.0 kg, 44.3 - 57.3 lb) 6. If rack sliding force is not within specification, replace steering 7. If rack sliding force is OK, inspect steering column. Refer to ON-VEHICLE SERVICE Bleeding Hydraulic System ST-8 |