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:

Engine (Installation)
Special Tool(s) Spreader Bar 303-D089 (D93P-6001-A3) Support Bracket, Engine 303-639 Lifting Bracket, Engine 303-D087 (D93P-6001-A1) Lifting Bracket, Engine 303-D088 (D93P-6001-A2) Lifting Brac ...

Clutch (Description and Operation)
The primary function of the clutch is to couple and uncouple engine power to the transmission upon driver command. The clutch is a single plate, dry friction clutch disc. The clutch disc has a splined hub (with integral torsional dampening springs ...

Retractor - Rear Seat Safety Belt, Coupe
Special Tool(s) Torx Bit, Safety Belt Bolt 501-010 (T77L-2100-A) Removal 1. Remove the quarter trim panel (31012) and the angel wing trim. For additional information, refer to Section. 2. Using the special tool, remove the D-ring bolt. 3. U ...