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Home >> Ford >> 2005 >> Expedition RWD >> Repair and Diagnosis >> Steering >> Power Steering >> Steering System-General Information >> Diagnosis And Testing >> Steering System >> Symptom Chart
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Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • No communication with the air suspension module
  • Circuit(s)
  • Air suspension module
  • Steering system noise
  • Low fluid level
  • Fluid aeration
  • Steering gear
  • Power steering pump
  • Loose or damaged steering linkage
  • Loose or damaged suspension component(s)
  • Steering column
  • Steering column boot bearing
  • Intermediate shaft
  • Loose dash boot seal
  • Steering is very difficult/very easy
  • Seized intermediate shaft U-joints
  • Damaged, fractured steering Column bearing(s)
  • Steering gear
  • Power steering pump
  • Power steering hoses
  • Binding dash boot seal
  • Excessive steering wheel play
  • Steering gear
  • Steering column
  • Steering column intermediate shaft
  • Steering linkage
  • Ball joints
  • Strut bearing plate (if equipped)
  • Steering system drift/pull/wander
  • Tire pressure
  • Wheel alignment
  • Steering gear
  • Unevenly loaded vehicle
  • Steering column intermediate shaft
  • Frame alignment
  • Feedback
  • Loose, worn or damaged tie-rod
  • Loose, worn or damaged tie-rod ends
  • Loose or damaged steering gear insulators or bolts
  • INSTALL new steering gear insulators or bolts if necessary, or TIGHTEN the bolts as needed.
  • Loose lower steering column shaft U-joint bolts
  • Loose suspension bushings, fasteners or ball joints
  • Worn or damaged steering column bearing(s)
  • Poor returnability/sticky steering
  • Binding lower steering column shaft U-joints
  • Loose, worn or damaged tie-rod
  • Loose, worn or damaged tie-rod ends
  • Suspension components
  • Binding steering column bearing(s)
  • Binding dash boot seal
  • Shimmy
  • Loose, worn or damaged tie-rod end
  • Loose, worn or damaged tie-rod
  • Suspension components