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:

Auxiliary input jack
WARNING: Driving while distracted can result in loss of vehicle control, crash and injury. We strongly recommend that you use extreme caution when using any device that may take your focus off the road. Your primary responsibility is the safe operation of your ...

Stub Shaft Pilot Bearing and Seal
Special Tool(s) Remover, Bearing Cup 308-047 (T77F-1102-A) Protector, Differential Seal (Pair) 205-461 Installer, Differential Oil Seal 205-293 (T89P-4850-A) Adapter for 303-224 (Handle) 205-153 (T80T-4000-W) ...

System Bleeding
1. If required, remove the hydraulic system from the vehicle. Refer to Hydraulic System, Lift Cylinder and Motor in this section. 2. Remove the fill plug at the end of the hydraulic pump. 3. Fill the pump with Mercon Multi-Purpose Automatic Transmiss ...