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:

Disassembly
1. Remove the retaining ring above fifth gear. 2. CAUTION: Hand tighten the special tool to prevent gear damage. CAUTION: Support the output shaft while using the press to prevent damage to the shaft or gears. Using the special tool, press fifth gear, the s ...

Axle Assembly
Removal and Installation 1. CAUTION: The vehicle must be on level ground and at curb height. Mark the rear shock absorbers relative to their protective sleeve. During installation, raise the suspension to this reference mark before tightening the suspens ...

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 ...