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Expedition 5.4 L, RWD
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Steering System-General Information
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Steering System-General Information
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Specifications
General Specifications
Description And Operation
Steering System
Diagnosis And Testing
Steering System
Notes
Special Tool(s)
Principles of Operation
Variable Assist Power Steering (VAPS)
Inspection and Verification
Diagnostic Trouble Code (DTC) Index
4WAS/VAPS Diagnostic Trouble Code (DTC) Index
Steering System Symptom Definitions
Drift/Pull
Excessive Steering Wheel Play
Feedback
Hard Steering or Lack of Assist
Nibble
Poor Returnability/Sticky Steering
Shimmy
Wander
Symptom Chart
Symptom Chart
Pinpoint Tests
Pinpoint Test A: No Communication With The 4WAS Module/Unable To Enter Self-Test
Pinpoint Test B: DTC 1897 - Steering VAPS Circuit Loop Failure
Component Tests
Steering Linkage
Pump Flow and Pressure Test
Turning Effort Test
Steering Gear Insulator
Steering Gear Valve
Tie-Rod Articulation Torque
General Procedures
Power Steering System Flushing
Power Steering System Purging
Power Steering System Filling