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:

Autolamps
WARNING: In severe weather conditions, it may be necessary to switch your headlamps on manually. Note: If the vehicle is equipped with autolamps, it will have the windshield wiper rainlamp feature. When the windshield wipers are turned to low- or high-speed wi ...

Powertrain Control Module (PCM)
Removal 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Remove the RH front door scuff plate. 3. Remove the RH cowl side trim panel. Remove the pin-type retainer. Remove the panel. 4. Disconnect ...

Diagnostics
Special Tool(s) Transmission Fluid Pressure Gauge 307-004 (T57L-77820-A) Air Test Plate, Transmission 307-246 (T92P-7006-A) Alignment Gauge, TR Sensor 307-351 (T97L-70010-A) Breakout Box, EEC-V Control S ...