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 (Disassembly)
Special Tool(s) Service Set, Camshaft 303-017 (T65L-6250-A) Remover, Crankshaft Vibration Damper 303-009 (T58P-6316-D) Lifting Bracket Set, Engine 303-D095 (D94L-6001-A) or equivalent Remover, Power Stee ...

Rear Suspension
Torque Specifications WARNING: All vehicles are equipped with gas pressurized shock absorbers which will extend unassisted. Do not apply heat or flame to the shock absorbers during removal or component servicing. Failure to follow these instructions can re ...

Bumpers
Torque Specifications Bumpers CAUTION: Never apply excessive heat to the bumper cover surface. Heat could cause distortion of the bumper cover. The bumper systems consist of the following components: front bumper front bumper cover front bumper cover (Co ...