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:

Assembly
1. NOTE: Universal joint kits are to be installed as complete assemblies only. Do not mix components from other U-joint kits. Install the spider. 1. Start a new bearing cup into the driveshaft yoke. Check the needle bearings for correct positioning. ...

Cylinder Heads (Installation)
Special Tool(s) Installer, Crankshaft Vibration Damper 303-102 (T74P-6316-B) Installer, Front Cover Oil Seal 303-335 (T88T-6701-A) Holding Tool, Crankshaft 303-448 (T93P-6303-A) Spreader Bar 303-D089 (D9 ...

Engine (Disassembly)
Special Tool(s) Impact Slide Hammer 100-001 (T50T-100-A) Remover, Crankshaft Vibration Damper 303-009 (T58P-6316-D) Holding Tool, Crankshaft 303-448 (T93P-6303-A) Guides, Connecting Rod 303-442 (T93P- ...