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:

Air Conditioning (A/C) System Recovery, Evacuation and Charging
Special Tool(s) R-134a A/C Refrigerant Center 176-00002 or equivalent R-134a A/C Refrigerant Center 023-00153 or equivalent R-134a Manifold Gauge Set 176-R032A or equivalent 1.2 CFM Vacuum Pump 023-00162 o ...

Disconnect
1. Remove the A/C tube lock coupling clip (19E746), if equipped. 2. Fit the special tool to the spring lock coupling. 3. Push the tool into the cage opening to release the female fitting from the A/C tube lock coupling spring (19E576). 4. Pull the sprin ...

Gear (Disassembly and Assembly)
Special Tool(s) Head Mounting Fixture 303-D041 (D83L-500-B1) or Equivalent Inner Tie Rod Socket Tool 211-D025 (D90P-3290-A) or Equivalent Steering Gear Holding Fixture 211-D011 (D87P-3504-B) or Equivalent Material ...