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:

Spring Lock Couplings
Special Tool(s) Disconnect Tool, Spring Lock Coupling (3/8 inch yellow) 310-D004 (D87L-9280-A) or equivalent Disconnect Tool, Spring Lock Coupling (1/2 inch green) 310-D005 (D87L-9280-B) or equivalent Material Item ...

Head restraints
WARNING: To minimize the risk of neck injury in the event of a crash, the driver and passenger occupants should not sit in or operate the vehicle, until the head restraint is placed in its proper position. The driver should never adjust the head restraint whil ...

Warning Indicator Bulb
Removal and Installation 1. Remove the instrument cluster. Refer to Instrument Cluster in this section. 2. Remove the necessary instrument cluster bulbs by rotating one quarter turn counterclockwise. 3. To install, reverse the removal procedure. ...