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. NOTE: LH shown; RH similar. Install the camshafts. Lubricate the camshafts with clean engine oil. 2. Install the camshaft bearing cap assemblies and tighten the bolts in the sequence shown. 3. Install the bolts. 4. CAUTION: Timing marks must be a ...

Idle Air Control (IAC) Valve - Mach I
Removal and Installation 1. Remove the air intake scoop. For additional information, refer to Section. 2. Disconnect the idle air control (IAC) valve electrical connector. 3. Remove the bolts, the IAC valve and the gasket. 4. NOTE: Install a new ga ...

Sprockets
1. WARNING: To avoid the possibility of personal injury or damage to the vehicle, do not operate the engine with the hood open until the fan blade has been examined for possible cracks and separation. NOTE: Specifications show the expected minimum or ma ...