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Troubleshooting Guide (cont.)
Symptom Possible Cause
Noise (abnormal) Defective wheel bearing
Overinflation
Coarse tread pattern
Incorrect alignment (all wheels)
Incorrect turning angle
Loose or rubbing suspension or steering component
Driveline misalignment
Hard Steering Low air pressure
Steering gear binding
Steering lubricant low
Excessive positive caster
Defective power steering belt
Power steering fluid level low
Power steering pressure low
Steering and suspension component dry or binding
Loose Steering Excessively loose wheel bearings
Worn steering and suspension components
Steering gear assembly loose on mounting
Excessive internal wear in steering gear
Loose or worn steering shaft coupling
Steering gear misadjusted
Excessive Road Shock Excessive positive caster
Low air pressure
Worn tires
Wrong type tire
Wrong shocks
Worn shocks
Springs worn or sagged
Braking Instability Brakes incorrectly adjusted
Contaminated brake linings
Defective suspension components
Incorrect alignment
Excessive negative caster
Uneven or low tire pressure
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