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:

Gearshift Rail Bushing
Special Tool(s) Universal Puller Set 303-DS005 (D80L-100-A) or equivalent Installer, Shift Rail Bushing 308-244 (T96P-7025-F) Slide Hammer 100-001 (T50T-100-A) Disassembly and Assembly 1. Using the special tools, r ...

Disassembly
1. NOTE: Mark the position of each gear shifter fork (7230). Place the gear shift plates (7N232) and the gear selector interlock sleeve (7K201) in the neutral position to center the gear shift plates and the selector body (7302). 2. Rotate the main shif ...

Engine Ignition (Description and Operation)
Eight separate ignition coils (12029): are mounted directly above each spark plug (12405). are controlled by the powertrain control module (PCM) for correct firing sequence. The spark plug: changes the high voltage pulse into a spark which igni ...