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:

Lumbar Assembly
Removal and Installation All vehicles 1. Remove the front seat. For additional information, refer to Seat-Front Power in this section. 2. Release the J-clip. 3. Remove the seat backrest latch handle knob (62762). 4. Pull the seat backrest trim cover ...

Door
Removal 1. Remove the door trim panel. For additional information, refer to Section. 2. Disconnect the necessary electrical connectors to remove the harness and grommet from the door. 3. NOTE: This procedure requires an assistant. NOTE: Mark ...

Valve Tappets
Material Removal CAUTION: If removing more than one valve tappet, mark the components removed for correct location. 1. Remove the lower intake manifold. For additional information, refer to Lower Intake Manifold in this section. 2. Remove the push r ...