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:

Side airbags
WARNING: Do not place objects or mount equipment on or near the airbag cover, on the side of the seat backs (of the front seats), or in front seat areas that may come into contact with a deploying airbag. Failure to follow these instructions may increase the ...

Diagnostic Instructions - Air Bag Supplemental Restraint System (SRS)
Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool The symptom chart can be used to help locate the air bag supplemental restraint system (SRS) concerns if n ...

Trim Panel - Upper Quarter
Special Tool(s) Safety Belt Bolt Bit 501-010 (T77L-2100-A) Removal and Installation 1. Remove the rear seat cushion. 2. Using the special tool, remove the rear safety belt anchor bolt. 3. Remove the screw and the coat hook. 4. Open the ...