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:

Synchronizers
Disassembly and Assembly NOTE: This procedure applies to all synchronizer assemblies. 1. Scribe an alignment mark on the sliding sleeve and the hub for assembly reference. 2. Remove the sliding sleeve, then remove the synchronizer struts and the springs. 3 ...

Principles of Operation
NOTE: A new instrument cluster must be reconfigured. Refer to Section. The instrument cluster is a hybrid electronic cluster (HEC). The instrument cluster uses both hardwired and the standard corporate protocol (SCP) communication network to transmit a ...

Diagnosis By Symptom
Special Tool(s) Transmission Fluid Pressure Gauge 307-004 (T57L-77820-A) Air Test Plate, Transmission 307-246 (T92P-7006-A) Breakout Box, EEC-V Control System 418-049 (T94L-50-EEC-V) or equivalent MLP- ...