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:

Camshaft Runout
Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or equivalent 1. NOTE: Camshaft journals must be within specifications before checking runout. Use a Dial Indicator Gauge with Holding Fixture to measure the ...

Input Shaft and Bearing
Special Tool(s) Plate, Bearing/Oil Seal 205-090 (T75L-1165-B) Puller, Bearing 205-D064 (D84L-1123-A) Installer, Drive Pinion Bearing Cone 205-004 (T53T-4621-B) Adapter Set, Step Plate 205-DS011 (D80L-630 ...

Assembly
1. Install the locking lever cam and pin. 2. Install the lock actuator lever and pin. 3. Install the lock actuator lever return spring. 4. Install the ignition lock cylinder lockout lever. 5. NOTE: The lock lever with two teeth is installed on the left ...