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:

Throttle Body
Removal and Installation WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components. Highly flammable mixtures are always present and can ignite. Failure to follow these instructions can resul ...

Symptom Chart
NOTE: New speed control diagnostic software is available in Version 12 or higher for the diagnostic tool. When using this software, it is necessary to use Next Generation Speed Control Adapter 007- 00586 with the diagnostic tool. NOTE: Refer to the Wiring Di ...

Rear Drive Axle/Differential - Ford 7.5-Inch Ring Gear
General Specifications a: In-vehicle repair refill capacities are determined by filling the rear axle with the specified lubricant to 6.4-14.3-mm (1/4-9/16-in) below the bottom of the fill hole. Torque Specifications ...