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:

Ignition Switch Lock Cylinder - Functional
Removal and Installation 1. Disconnect the battery ground cable. 2. Remove the ignition switch lock cylinder (11582). 1. Insert the ignition key and turn to the RUN position. 2. Using a 1/8-inch drift, press the ignition switch lock cylinder release ...

Differential Case and Ring Gear - Traction-Lok
Special Tool(s) 2-Jaw Puller 205-D072 (D97L-4221-A) or equivalent Gauge, Differential Clutch 205-022 (T66L-4204-A) Gauge, Differential Clutch 205-135 (T80P-4946-A) Installer, Differential Side Bearing 205-010 (T57 ...

Valve Seals
Special Tool(s) Valve Spring Compressor 303-452 (T93P-6565-AR) Valve Stem Seal Replacer 303-383 (T91P-6571-A) Compressor, Valve Spring (Exhaust) 303-567 (T97P- 6565-AH) Material Item Specification Supe ...