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:

Manual Transaxle/Transmission - TR3650
General Specifications Torque Specifications ...

Installation
1. Position the side rail and install the bolts. 2. NOTE: Tighten the bottom bolt first. Connect the mounting bracket and install the bolts. 3. NOTE: Line up the marks in the number four bow. Tighten the bolt. 4. Connect the number two and number three ...

Valve Springs
Special Tool(s) Compressor, Valve Spring 303-163 (T81P-6513-A) Material Removal 1. Remove the LH and the RH valve covers. For additional information, refer to Valve Cover-LH and Valve Cover RH in this section. 2. Rotate the crankshaft un ...