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:

Weld Nut Repair - Stripped Weld Nut, Restraints Control Module (RCM)
WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing or replacing any front or side air bag supplemental restraint system (SRS) components and before servicing, replacing, ...

Halfshaft Joint
Special Tool(s) Driver 205-199 (T83T-3132-A1) Hub Bearing Cup Replacer 205-147 (T80T-4000-P) Sensing Ring Replacer 206-041 (T89P-20202-A) Disassembly 1. CAUTION: Do not disassemble the halfshaft assembly. Install a new assem ...

Acceleration Control (Description and Operation)
Component Locations   The throttle is controlled by the accelerator cable which is connected to the accelerator pedal and shaft. The accelerator pedal and shaft should travel smoothly from the idle to the wide-open throttle (WOT) positions. Hesi ...