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:

Functionality
With the ignition switch in the RUN position, voltage is applied through the warning indicator I circuit 904 (LG/RD) to the voltage regulator. This turns the regulator on, allowing current to flow from battery sense A circuit 36 (YE/WH) to the genera ...

Engine System - General Information
General Specifications Engine NOTE: This section contains information, steps and procedures that may not be specific to your engine. This section covers general procedures and diagnosis and testing of the engine system, except for exhaust emission control ...

Removal
1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Drain the cooling system. For additional information, refer to Section. 3. Recover the refrigerant. For additional information, refer to Section. 4. Remove the air cle ...