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:

Module
Removal 1. Remove the hydraulic control unit (HCU). Refer to Hydraulic Control Unit . 2. Remove the pump motor electrical connector. 3. Remove the anti-lock-brake control module screws. 4. Remove the anti-lock-brake control module from the HCU. Installation ...

Symptom Chart
Condition Possible Sources Action Dogtracking Excessive rear thrust angle. Front or rear suspension components. Drive axle damaged. CHECK the wheel alignment. ADJUST as necessary INSPE ...

Checking MyKey system status
You can find information about your programmed MyKeys by using the information display. MYKEY DISTANCE Tracks the distance when drivers use a MyKey. The only way to delete the accumulated distance is by using an admin key to clear your MyKey. If the distance ...