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:

Pinion Seal
Special Tool(s) Installer, Drive Pinion Oil Seal 205-133 (T79P-4676-A) Removal 1. Remove the pinion flange (4851). For additional information, refer to Drive Pinion Flange in this section. 2. Force up the metal flange of the rear axle drive p ...

Cabin air filter
Note: Make sure you have a cabin air filter installed at all times. This prevents foreign objects from entering the system. Running the system without a filter in place could result in degradation or damage to the system. Your vehicle is equipped with a cabi ...

Navigation system
Your navigation system allows you to set a destination by using your touchscreen or voice commands. The navigation system contains map coverage for the United States, Puerto Rico and U.S. Virgin Islands, Canada and Mexico. Disclaimer A disclaimer appears onc ...