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:

Water Pump
Removal and Installation 1. Disconnect the battery ground cable. 2. Drain the coolant. For additional information, refer to Supercharger Cooling System Draining, Filling and Bleeding in this section. 3. Remove the retainer and position the inner fender well ...

Fuel Charging Wiring Harness
Removal and Installation WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components. Highly flammable mixtures are always present and may ignite. Failure to follow these instructions may resul ...

Component Tests
Driveline Vibration An analysis of driveline vibration can also be conducted using the Vibration Analyzer; follow the manufacturer's directions. Driveline vibration exhibits a higher frequency and lower amplitude than does high-speed shake. Driveline vibra ...