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:

Installation
1. Install the upper arm and bushing to the mounting bracket. 1. Position the arm and bushing. 2. Install a new nut and bolt. Do not tighten at this time. 2. Connect the upper arm and bushing to the axle. 1. Position the arm and bushing. 2. Install a ...

Manual Transmission
The T56 six-speed manual transmission features the following: six forward speeds and one reverse speed. forward gears are synchronized and helical cut. a reverse gear operates through a constant-mesh, fully synchronized system. a shift interlock system ...

Toe Adjustment - Front
1. Start the engine and center the steering wheel. 2. Turn the engine off, and hold the steering wheel in the straight forward position by attaching a rigid link from the steering wheel to the seat. 3. Check the toe settings. Follow the manufacturer's instr ...