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:

Convertible Top (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 103 , for schematic and connector information. Special Tool(s) 73 III Automotive Meter 105-R0057 or equivalent Principles of Operation The convertible top will only operate with the parking brake engaged ...

Piston Inspection
Special Tool(s) Scraper, Piston Ring Groove 303-D033 (D81L-6002-D) or equivalent CAUTION: Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur. 1. Clean and inspect the (1) ring lands, (2) skirts, ...

Engine (Assembly)
Special Tool(s) Guides, Connecting Rod 303-442 (T93P-6136-A) Installer, Crankshaft Rear Oil Seal 303-518 (T95P-6701-DH) Installer, Crankshaft Rear Oil Seal 303-516 (T95P-6701-BH) Installer, Crankshaft Re ...