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3C-40 FRONT SUSPENSION TROUBLESHOOTING 1. VIBRATION, SHOCK, AND SHIMMY OF STEERING WHEEL Checkpoint Trouble Cause Countermeasure Check front axle Check wheel alignment Check suspension ball joint Check shock absorber or attaching nut and bolt Check tires and wheels Adjust Replace Replace or retighten Check steering unit and linkage Faulty Worn Malfunction or loose Check upper and lower link bushings Replace Adjust Worn Incorrect OK OK OK NG NG NG NG NG NG OK OK Check vehicle trim height • Improperly adjusted or worn front • Worn or incorrectly adjusted wheel Replace; refer to Section 4C "Front • Insufficiently tightened steering • Wear of steering linkage. • Excessive backlash due to • Worn column bearing weakened Replace; refer to Section 3B • Improper tire pressure. • Imbalance and deformation of frond • Unevenly worn tire or insufficient Replace; refer to Section 3E "Wheel |