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:

Engine (Installation)
Special Tool(s) Lifting Bracket, Engine 303-D087 (D93P-6001-A1) Lifting Bracket, Engine 303-D088 (D93P-6001-A2) Installer Set, Teflon Seal 211-D027 (D90P-3517A) or equivalent Spreader Bar 303-D089 (D9 ...

Introduction
ABOUT THIS MANUAL Thank you for choosing Ford. We recommend that you take some time to get to know your vehicle by reading this manual. The more that you know about it, the greater the safety and pleasure you will get from driving it. WARNING: Always drive wit ...

Pinpoint Tests - Air Bag Supplemental Restraint System (SRS)
Special Tool(s) 73III Automotive Meter 105-R0057 or equivalent Diagnostic Tool, Restraint System 418-F088 (105-R0012) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or e ...