Ford Mustang (1999-2004) Service Manual: Gear Howl and Whine

Howling or whining of the ring gear and pinion is due to an incorrect gear pattern, gear damage or incorrect bearing preload.

Wheel Hub or Axle Flange Face Runout
NOTE: If the axle shaft assembly is removed, check runout of the shaft itself. The forged (unmachined) part of the shaft is allowed to have as much as 3.0 mm (0.120 inch) runout. This alone will not ...

Bearing Whine
Bearing whine is a high-pitched sound similar to a whistle. It is usually caused by worn/damaged pinion bearings, which are operating at driveshaft speed. Bearing noise occurs at all driving speeds. ...

Other materials:

Removal
All vehicles 1. Remove the air intake scoop. For additional information, refer to Section. 2. Remove the Hydro-Boost brake booster. For additional information, refer to Section.. 3. Raise and support the vehicle. For additional information, refer to Section ...

Inspection and Verification
NOTE: A new instrument cluster must be reconfigured. NOTE: The instrument panel dimmer switch is a part of the headlamp switch. 1. Verify the customer concern. 2. Visually inspect for obvious signs of electrical damage. Visual Inspection Chart Electric ...

Bumpers
Torque Specifications Bumpers CAUTION: Never apply excessive heat to the bumper cover surface. Heat could cause distortion of the bumper cover. The bumper systems consist of the following components: front bumper front bumper cover front bumper cover (Co ...