Initial Inspection and Diagnostic Overview
CAUTION: Do not hold the steering wheel at the stops for an extended amount of time. Damage to the power steering pump will result.NOTE: Make the following preliminary checks before repairing the steering system. Label all hoses prior to removal.
1. Inspect Tires
^ Check tire pressure and wheel/tire combination.
^ Verify that all tires are inflated and sized to specification.
2. Belt Check
3. Fluid Level Check
^ The fluid level can be checked either hot or cold using the appropriate mark on the dipstick. If bubbles are evident, refer to the following air bleeding procedure. If a low level is indicated, add Motorcraft MERCON(R) ATF Power Steering Fluid or equivalent meeting Ford specification MERCON(R).
4. Air Purge
^ Verify the power steering pump fluid is at the proper level. Run the engine until it reaches normal operating temperature. Turn the steering wheel to the left and right several times without hitting the stops. Recheck the fluid level. If any air bubbles are present, purge air from the system.
5. External Leak Check
^ With the ignition switch at OFF, wipe off power steering pump, power steering hose, power steering return hose, and steering gear.
^ With the engine running, turn the steering wheel from stop to stop several times. Do not hold steering wheel at stops. Check for leaks.
6. Turning Effort Check
^ Refer to the Symptom Chart. Symptom Related Diagnostic Procedures
7. Verify the customer concern by operating the steering system.
8. Visually inspect the following for obvious signs of mechanical damage:
^ Tire pressure
^ Drive belt
^ Wheel/tire size
^ Kinked hoses
^ Fluid leaks
9. If fault is not visually evident, determine the symptom and proceed to the Symptom Chart. Symptom Related Diagnostic Procedures