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:

Countershaft Bearing
Special Tool(s) Remover, Drive Pinion Bearing Cone 205-D002 (D79L-4621-A) or equivalent Installer, Drive Pinion Bearing Cone 205-011 (T57L-4621-B) Disassembly and Assembly 1. Cut the outer cage, then remove the outer cage an ...

Output Shaft Speed (OSS) Sensor
Removal and Installation 1. With the vehicle in NEUTRAL, raise and support the vehicle. 2. Disconnect the electrical connector. 3. Remove the output shaft speed (OSS) sensor. 4. To install, reverse the removal procedure. ...

Engine (Assembly)
Special Tool(s) Guides, Connecting Rod 303-442 (T93P-6136-A) Installer, Crankshaft Rear Oil Seal 303-518 (T95P-6701-DH) Installer, Crankshaft Rear Oil Seal 303-516 (T95P-6701-BH) Installer, Crankshaft Re ...