14. FRONT WHEEL/FRONT SUSPENSION STEERING SYSTEM MXU550EXi/MXU500i TROUBLESHOOTING Hard steering (heavy) Front wheel wobbling ·Insufficient tire pressure · Bent rim · Excessive wheel bearing play · Bent spoke plate · Faulty tire Steers to one side or does not track straight · Improperly tightened axle nut · Uneven front shock absorbers Soft front shock absorber · Bent front arm · Weak shock springs · Bent steering knuckle · Insufficient damper oil Front shock absorber noise · Slider bending · Loose arm fasteners · Lack of lubrication 14-3