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:

Installation
1. CAUTION: Lubricate the filler pipe check valve area and the tank-to-filler pipe grommet with Serfactant prior to assembly or damage to the filler pipe check valve will occur. NOTE: A new grommet must be used for the installation procedure due to its dest ...

Accessory Drive Belt Idler Pulley - 4.6L (2V) and (4V)
Removal and Installation Mach I 1. Remove the air intake scoop. For additional information, refer to Section. Cobra 2. Remove the supercharger drive belt cover. 3. Rotate the supercharger belt tensioner clockwise and remove the supercharger belt. 4. Remov ...

Arm - Lower
Removal CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure can result in major service expense. A new part with the same part number or an equivalent part must be installed, if i ...