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:

Anti-Theft - Passive Anti-Theft System (PATS) (Description and Operation)
The passive anti-theft system (PATS) contains the following components: theft indicator encoded ignition key transceiver module instrument cluster powertrain control module (PCM) standard corporate protocol (SCP) communication network The PATS uses rad ...

Module
Removal 1. Remove the hydraulic control unit (HCU). Refer to Hydraulic Control Unit . 2. Remove the pump motor electrical connector. 3. Remove the anti-lock-brake control module screws. 4. Remove the anti-lock-brake control module from the HCU. Installation ...

Removal
1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Remove the transmission. 3. Remove the air intake scoop. For additional information, refer to Section. 4. Remove the air cleaner outlet tube. For additional informatio ...