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:

Vehicle Certification (VC) Label Locator
The upper portion of the vehicle certification (VC) label contains the manufacturer name, the month and year of manufacture, the certification statement and the VIN. It also includes gross vehicle weight ratings (GVWR). The VC label is located on the left- ...

Camshaft
Special Tool(s) Holding Tool, Camshaft 303-446 (T93P-6256-AHR) Material Item Specification Super Premium SAE 5W-20 Engine Oil XO-5W20-QSP or equivalent WSS-M2C153- H ...

Dowels - Flywheel
Removal 1. NOTE: Take care not to damage the flywheel dowel holes or the surface areas around the flywheel dowel during removal. Remove the flywheel dowels by using a drift pin where the flywheel dowel is installed in an open hole and a pair of lockin ...