STEERING 20 1.4. TROUBLESHOOTINGAND DIAGNOSIS Since the problems in steering, suspension, wheels and tyres involves several symptoms which are probably interlinked so they must all be considered while diagnosing a complaint. Before coming to any conclusion or to avoid using of wrong symptoms, always road test the vehicle first. Do some preliminary visual inspection and correct any defects if found. 1. Check the tyre pressures and inspect tyre wear. 2. Raise the vehicle on hoist and inspect front and rear suspension for loose or damaged parts. 3. Inspect out of round tyres, bent wheel rims, out of balance wheel, loosen and/or rough wheel bearings. A. GENERAL TROUBLESHOOTING Concern Cause Remedy Vehicle pulling one side 1.Mismatched tyres 2.Cracked / Broken or Sagging springs 3. Improper tyre inflation 4. Improper toe 5.Loose, bent or broken parts at either end. 6.Brake dragging in one road wheel 1.Match tyres properly 2.Replace spring 3.Adjust and correct tyre pressure 4.Check and adjust toe 5.Tighten or replace suspension parts 6.Repair brake system Unusual excessive tyre wear 1. Improper toe 2.Vehicle over loaded 3.Loose or worn out wheel bearing 4.Tyre inflation not proper 5.Brake dragging 1.Check and adjust toe 2.Check loading 3.Replace wheel bearing 4.Adjust and correct tyre pressure 5.Adjust brakes Vehicle shaking, shimmy or vibrations 1. Wheels out of balance 2. Loose wheel bearings 3. Worn out tie rod ball joints 4. Worn out lower ball joints 5. Excessive wheel run out 6. Disturbed toe 7. Loose or worn steering linkage 8. Improperly mounted tyre or wheel 9. Excessively or unevenly worn tyres 1. Balance wheels or replace tyre or wheel 2. Replace wheel bearings 3. Replace tie rod ball joints 4. Replace ball joint or lower link at front 5. Repair / replace wheel or tyre 6. Check and adjust toe 7. Replace steering linkages 8. Inspect and mount wheel or tyre as per specifications 9. Refer remedies of unusual excessive tyre wear Suspension bottoms 1.Vehicle overloaded 2.Damaged bump stopper 3.Springs set permanently broken / sagging 4.Faulty strut assembly 1. Check loading 2. Replace bump stopper 3. Replace springs 4. Replace strut assembly Toomuch play in steering 1. Steering wheel loose on the shaft 2. Loose connection between rack 3. Steering linkages loose or worn out 4.Check steering wheel serrations 1. Adjust and tighten steering wheel nut to specified torque. 2. Tighten or repair 3. Replace worn out parts. 4. Replace
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