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:

Transmission Case
Special Tool(s) Handle 205-D055 (D81L-4000-A) Installer, Bearing Cup 204-039 (T77F-1217-B) Installer, Drive Pinion Bearing Cup 205-054 (T71P-4616-A) Installer, Rear Axle Oil Seal 205-155 (T80T-4000-Y) ...

Weld Nut Repair - "J" Nut, Restraints Control Module (RCM)
WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing or replacing any front or side air bag supplemental restraint system (SRS) components and before servicing, replacing, ...

Battery (Diagnosis and Testing)
Special Tool(s) Micro 490 Digital Battery Analyzer 162-00004 Inspection and Verification 1. Verify the customer concern by operating the system. 2. Visually inspect for obvious signs of mechanical or electrical damage. Visual Inspecti ...