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:

Connecting Rod - Side Clearance
1. Measure the clearance between the connecting rod and the crankshaft. Verify the measurement is within specification. Refer to the appropriate section in Group for the procedure. If out of specification, install new components as necessary. Refer ...

Air Distribution
NOTE: The air distribution system of this vehicle cannot be equipped with a cabin air filter. There are two sources of air available to the air distribution system: outside air recirculated air Recirculated air is only used during MAX A/C. Air distribut ...

Speed Control
Torque Specifications Speed Control The speed control system consists of the following components: speed control actuator cable (9A825) deactivator switch output shaft sensor (OSS) speed control actuator switches (9C888) brake pedal position (BPP) switc ...