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:

Using voice recognition
This system helps you control many features using voice commands. This allows you to keep your hands on the wheel and focus on what is in front of you. Initiating a Voice Session Push the voice icon; a tone sounds and Listening appears in the display. Say an ...

General information
Make sure you review your device’s manual before using it with SYNC. Support The SYNC support team is available to help you with any questions you cannot answer on your own. Monday-Saturday, 8:30am-9:00pm EST. Sunday, 10:30am-7:30pm EST. In the United St ...

Personal Safety System
The Personal Safety System provides an improved overall level of frontal crash protection to front seat occupants and is designed to help further reduce the risk of airbag-related injuries. The system is able to analyze different occupant conditions and crash ...