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:

Removal
NOTE: This procedure applies to both the LH and RH halfshafts. 1. CAUTION: The vehicle must be on level ground and at curb height. Mark the rear shock absorber relative to the protective sleeve. During installation, raise the suspension to this reference ...

System Air Flow Description
MAX A/C When MAX A/C is selected: The air inlet door vacuum control motor is at full vacuum, closing off outside air and admitting only recirculated air. The panel/defrost door vacuum control motor is at full vacuum and the panel/floor door vacu ...

Reverse Clutch
Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) Compressor, Clutch Spring 307-015 (T65L-77515-A) Protector, Transmission Reverse Clutch Outer Fluid Seal 307-424 Protecto ...