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:

Booster seats
WARNING: Never place, or allow a child to place, the shoulder belt under a child’s arm or behind the back because it reduces the protection for the upper part of the body and may increase the risk of injury or death in a crash. Use a belt-positioning booster ...

Exterior mirrors
Power Exterior Mirrors WARNING: Do not adjust the mirror while your vehicle is in motion. A. Left mirror B. Off C. Right mirror To adjust your mirrors: 1. Select the mirror you want to adjust. 2. Move the control in the direction you want to tilt the mirror. ...

Engine System - General Information
General Specifications Engine NOTE: This section contains information, steps and procedures that may not be specific to your engine. This section covers general procedures and diagnosis and testing of the engine system, except for exhaust emission control ...