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:

Removal
1. Remove the upper intake manifold. For additional information, refer to Intake Manifold-Upper in this section. 2. Disconnect the fuel line. For additional information, refer to Section. 3. Remove the coolant by-pass tube. For additional information, refer ...

Symptom Chart
Condition Possible Sources Action Traction-Lok does not work in snow, mud or on ice Differential. CARRY OUT the Traction- Lok Differential Operation Check in this section. REPAIR as necessar ...

Camshaft
Material Removal 1. Remove the valve tappets. For additional information, refer to Valve Tappets in this section. 2. Remove the timing chain. For additional information, refer to Timing Chain in this section. 3. Position the wire harness aside. 4. R ...