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:

Canister Vent Solenoid Closing Procedure
Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool CAUTION: The canister vent solenoid must not be energized for more than nine minutes at one time. Once the ...

Reservoir
Removal WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persi ...

Rear Wheel Bearing and Axle Shaft Oil Seal
Special Tool(s) Adapter for 303-224 205-153 (T80T-4000-W) Installer, Axle Shaft Bearing 205-124 (T78P-1225-A) Installer, Rear Axle Oil Seal 205-390 (T97T-1177-B) Remover, Axle Bearing 205-219 (T85L-1225-AH) S ...