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:

Engine Ignition (Description and Operation)
The ignition coil (12029), which is mounted on the upper intake manifold, can be described as a coil pack containing three separate coil units. Each coil unit is individually controlled by the powertrain control module (PCM) (12A650) through separate wire le ...

Driver and passenger airbags
WARNING: Never place your arm or any objects over an airbag module. Placing your arm over a deploying airbag can result in serious arm fractures or other injuries. Objects placed on or over the airbag inflation area may cause those objects to be propelled by t ...

Supercharger Belt Tensioner
Removal and Installation 1. Remove the supercharger drive belt cover. 2. Rotate the supercharger belt tensioner clockwise and remove the supercharger belt. 3. Remove the bolts and the supercharger belt tensioner. 4. To install, reverse the removal proced ...