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:

Communication Circuit Wiring Repair
Special Tool(s) Heat Gun 107-R0300 or equivalent 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Strip the wires. 3. NOTE: Use rosin core mildly activated (RMA) solder, not acid core solder. Solder ...

Vehicle Identification Number (VIN) Locator
The vehicle identification number (VIN) is a seventeen-digit alphanumeric code. The VIN is stamped on a metal tab riveted to the instrument panel, top upper left of the dash. The VIN number is also found on the vehicle certification (VC) label.   ...

Installation
All vehicles 1. Position the engine front cover gasket on the engine front cover. 2. NOTE: If the engine front cover is not secured within four minutes, the sealant must be removed and the sealing area cleaned with metal surface cleaner. Allow to dry until ...