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SERVICE INFORMATION 00-5 Pump Inoperative, 1. Low oil level. 1. Fill the reservoir to the proper level. 2. Air in the oil. 2. Locate the source of the air leak and cor- rect it. 3. Defective hoses or steering gear. 3. Repair or replace. 4. Flow control valve stuck. 4. Repair or replace. 5. Loose nut in end of flow control valve. 5. Torque nut. 6. Pressure plate not flat against ring. 6. Repair or replace. 7. Extreme wear of pump ring. 7. Repair or replace. 8. Scored pressure plate, thrust plate. 8. Repair or replace. 9. Vanes not installed properly. 9. Repair or replace. 10. Vanes sticking in rotor slots. 10. Repair or replace. 11. Faulty flow control valve assembly. 11. Repair or replace. Moment Increase in 1. Low oil level in pump. 1. Add power steering fluid as required. 2. High internal leakage in hydraulic pump. 2. Check the pump pressure. (See the pump pressure test.) 3. High internal leakage in steering gear. 3. Repair Steering Wheel 1. Low oil level. 1. Fill as required. 2. Insufficient pump pressure. 2. Check the pump pressure. (See the pump pressure test.) Replace relief valve 3. Defective gear relief valve. 3. Replace the gear relief valve. 4. Sticky flow control valve. 4. Repair or replace. Steering Pulls to Left 1. Camber incorrectly adjusted. Steering will generally pull to the side of the axle 1. Adjust camber. 2. Low air pressure in the right or left tire. Steering will pull to the side having the air 2. Inflate the tire to the correct pressure, check for air leak and repair as required. 3. Axle loose and shifted at the spring U- bolts. 3. Align the axle, and torque the U-bolt nuts. Inspect for damaged parts. Re- 4. Rear axle loose at the spring U-bolt. If shifted axle is shifted at one side, it will 4. Align the rear axle and replace the defec- tive parts, if any. Torque the U-bolt. 5. Unbalanced steering gear valve. If this is the cause, steering effort will be very light 5. Replace the valve. PROBLEM POSSIBLE CAUSE CORRECTION |