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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 971 (Noise, Vibration & Harshness -- Excursion & F250-F550 Super Duty) >> Diagnosis And Testing >> Noise, Vibration and Harshness (NVH) >> Component Tests >> Steering Gear Grunt/Shudder Test

Steering Gear Grunt/Shudder Test

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, and 2003 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start and run the vehicle to operating temperature.
  2. Set engine idle speed to 1200 rpm.
    3. CAUTION: Do not hold the steering wheel against the stops for more than three to five seconds at a time. Damage to the power steering pump will occur.
  3. Rotate the steering wheel to the RH stop, then turn the steering wheel 90 degrees back from that position. Turn the steering wheel slowly in a 15 degree to 30 degree arc.
  4. Turn the steering wheel another 90 degrees. Turn the steering wheel slowly in a 15 degree to 30 degree arc.
  5. Repeat the test with power steering fluid at different temperatures.
  6. If a light grunt is heard or a low (50-200 Hz) shudder is present, this is a normal steering system condition.
  7. If a loud grunt is heard, or a strong shudder is felt, fill and purge the power steering system. Refer to STEERING SYSTEM-GENERAL INFORMATION .
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