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:

Fuel Injectors
Material Item Specification SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP or equivalent WSS-M2C153- H Removal and Installation WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near ...

Driveline Angle Inspection
Special Tool(s) Anglemaster II Driveline Inclinometer 164-R2402 or equivalent NOTE: An incorrect driveline angle can cause a vibration or shudder. 1. Check the vehicle for evidence or overload or sagging. Check for specified air pressures in ...

Transmission Fluid Cooler Tubes
Removal 1. Disconnect the battery cables. 2. Raise and support the vehicle. For additional information, refer to Section. 3. Remove the nuts. 4. Remove the fluid cooler tube bracket at the engine. 5. NOTE: Use a backup wrench to hold the case fitting sec ...