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:

Drive Pinion
Special Tool(s) Adapter for 205-S127 205-105 (T76P-4020-A3) Adapter for 205-S127 205-109 (T76P-4020-A9) Adapter for 205-S127 205-110 (T76P-4020-A10) Adapter for 205-S127 205-111 (T76P-4020-A11) Adapter for 20 ...

General information
WARNING: Driving while distracted can result in loss of vehicle control, accident and injury. Ford strongly recommends that drivers use extreme caution when using any device or feature that may take their focus off the road. Your primary responsibility is the ...

Component Tests
Ball Joint Inspection 1. Raise and support the vehicle. 2. Prior to performing any inspection of the ball joints, inspect the wheel bearings. 3. Position a safety stand beneath the front suspension lower arm (3079) to be tested. 4. While an assistant pul ...