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:

Inspection and Verification
1. The keyless entry system is a generic electronic module (GEM). 2. Verify the customer concern by using the remote transmitters to operate the keyless entry system. 3. Visually inspect for the following obvious signs of mechanical and electrica ...

Removal
CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure can result in major service expense. A new part with the same part number must be installed if installation becomes necessary. ...

Assembly
1. NOTE: Lubricate direct clutch piston inner seal and seal protector with petroleum jelly. Using the special tool, install the inner piston seal. Install the seal with sealing lip facing down. 2. Install the clutch piston outer seal so that when the pis ...