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:

Charging System (Description and Operation)
The charging system is a negative ground system consisting of the following: generator internal voltage regulator charging system warning indicator storage battery necessary wiring and cables The generator is belt-driven by the engine ...

Audio Unit (Removal and Installation)
Removal and Installation 1. Remove the instrument panel center finish panel. For additional information, refer to Section 2. Remove the audio unit. 1. Remove the screws. 2. Disconnect electrical connectors. 3. Disconnect antenna cable. ...

Component Tests
Engine Oil Leaks NOTE: When diagnosing engine oil leaks, the source and location of the leak must be positively identified prior to repair. Prior to carrying out this procedure, clean all sealing surface areas with a suitable solvent to remove all tra ...