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:

Removal
1. Remove the air intake scoop bracket. For additonal information, refer to Section. 2. Remove the air cleaner outlet tube. For additional information, refer to Section. 3. Disconnect the accelerator cable, the speed control actuator cable and the return ...

Removal
Automatic transmission vehicles 1. Remove the flexplate. For additional information, refer to Flexplate in this section. Manual transmission vehicles 2. Remove the flywheel. For additional information, refer to Flywheel in this section. All vehicles 3. Using ...

Assembly
1. CAUTION: Before beginning assembly, carry out and inspect the following: When building up subassemblies and assembling the transmission, ALWAYS use new gaskets and seals. All fasteners must be tightened to the torque specification indicated. In addition ...