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:

Inspection and Verification
1. Verify the customer's concern by operating the active restraint system to duplicate the condition. 2. Inspect to determine if any of the following mechanical or electrical concerns apply: Visual Inspection Chart Mechanical Electrical ...

Actuator Cable - Speed Control-Cobra
1. Remove the speed control actuator cable end from the throttle body. 1. Lift the speed control cable from the throttle nailhead. 2. Release the speed control cable from the throttle bracket. 2. Remove the speed control cable from the retaining cli ...

Weld Nut Repair - Missing Weld Nut, Restraints Control Module (RCM)
WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing or replacing any front or side air bag supplemental restraint system (SRS) components and before servicing, replacing, ...