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:

Changing a fuse
Fuses WARNING: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire. If electrical components in your vehicle are not working, a fuse may have blo ...

Exhaust Manifold to Exhaust Gas Recirculation (EGR) Valve Tube
Removal and Installation NOTE: 3.8L shown, 4.6L (2V) similar. 1. With the vehicle in NEUTRAL, position it on a hoist. 2. Disconnect the exhaust gas recirculation (EGR) valve tube from the exhaust manifold. 3. Remove the differential feedback exhaust ga ...

Removal
1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Raise and support the vehicle. For additional information, refer to Section. 3. Place a drain pan under the transmission fluid pan. 4. Drain transmission fluid. ...