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:

Master Cylinder
Removal 1. Disconnect the fluid level sensor connector. 2. Disconnect the brake tubes. 3. Remove the brake master cylinder nuts. 4. Remove the brake master cylinder (2140). Installation 1. To install, reverse the removal procedure. Bleed the brake ...

Key Programming - Enable/Disable Spare Key Programming
Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent diagnostic tool NOTE: The spare key programming switch is a diagnostic tool programmable switch that provides the ca ...

Removal
1. Remove the differential assembly from the differential housing. For additional information, refer to Differential Case in this section. 2. CAUTION: Record the torque necessary to maintain rotation of the drive pinion gear through several revolutions prio ...