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STEERING 5 FAULT DIAGNOSIS Symptom :- Steering excessively light/sensitive. Excessive 1. Are steering box adjustments correct? NO - See Adjustment, Power Steering Box WARNING: Adjustments of steering box returned to manufacturer. No attempt must be YES - Suspect worn panhard rod or radius arm bushes Check condition of ball joints and See Repair, Lower Steering Shaft and Universal Joints Symptom :- Steering vibration, road wheel shimmy - wobble. Vibration through the steering linkage powerful 1. Check the tyres and balance of the road wheels. See GENERAL SPECIFICATION DATA, 2. Check the steering hydraulic damper function. See Steering Damper 3. Check steering column universal joints for wear and correct alignment. See Repair, Lower Steering Shaft and Universal Joints 4. Check steering linkage ball joints for wear, correct alignment and security, including steering See Steering Linkage Inspect 5. Check all front suspension rubbers for wear. Check all fixing torques, including radius arm 6. Fit new radius arm bushes using NTC 6860. Fit harmonic damper if vehicle has air suspension. 7. Coil spring vehicles only - If problem persists fit damper kit STC 241 (2 off front) and STC 8. Check the power steering box adjustments and operation. See Overhaul, Power Steering Box 9. Check the hub bearing end floats and determine the condition of the hub bearings. As applicable. 10. Check the resistance and condition of the swivels. See FRONT AXLE AND FINAL DRIVE, Description and operation, If problem is not diagnosed: Repeat 11. Carry out a full steering geometry check. See INTRODUCTION, Information, Steering |