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:

Torque Converter (Disassembly and Assembly of Subassemblies)
1. A new or remanufactured torque converter must be installed if one or more of the following statements is true: A torque converter malfunction has been determined based on complete diagnostic procedures. Converter stud or studs, impeller hub or bushin ...

Push Rods - Inspection
1. CAUTION: Do not attempt to straighten push rods. Check the ends of the push rods for nicks, grooves, roughness or excessive wear. Install new push rods as necessary. Refer to the appropriate section in Group 303 for the procedure. The push rods ca ...

Installation
1. Make sure the anti-rattle spring is correctly positioned in the caliper. 2. CAUTION: Make sure guide pin boots are correctly seated or damage to guide pins can occur. Install the disc brake caliper. 1. Hold the guide pins stationary. 2. Inst ...