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:

Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear
General Specifications Torque Specifications Description Nm lb-ft lb-in Bolt retaining the differential pinion shaft to the differential case 30 22 - Bolt retaining the driveshaft yoke to the pinion flange 112 83 - ...

Camshaft End Play - Push Rod Engines
Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or equivalent 1. Remove the valve tappets. Refer to the appropriate section in Group 303 for the procedure. 2. Use a Dial Indicator Gauge with Holding Fixture ...

Electronic Leak Detection
Special Tool(s) H10PM Refrigerant Leak Detector With Battery 216-00001 or equivalent CAUTION: Good ventilation is necessary in the area where electronic A/C leak testing is to be carried out. If the surrounding air is contaminated with refri ...