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:

Economical driving
Fuel economy is affected by several things, such as how you drive, the conditions you drive under and how you maintain your vehicle. There are some things to keep in mind that may improve your fuel economy: • Accelerate and slow down in a smooth, moderate f ...

Air Conditioning (A/C) System Flushing
Special Tool(s) A/C Flush and Purge Machine 219-00022 (part of 219-00023) or equivalent A/C Flush and Purge Fitting Kit 219-00024 (part of 219-00023) or equivalent WARNING: Use extreme care and observe all safety and service ...

Rear seats
Rear Seat Entry and Exit Use the seatback release to fold the back of the front seat forward for rear seat access. This release handle is located on the upper back of the front seat. The seatback locks automatically when returned to the normal position. Use ...