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:

Ordering additional owner’s literature
To order the publications in this portfolio, contact Helm, Incorporated at: HELM, INCORPORATED 47911 Halyard Drive Plymouth, Michigan 48170 Attention: Customer Service Or to order a free publication catalog, call toll free: 1-800-782-4356 Monday-Friday 8:00 a. ...

Final disassembly
32. If not done previously, remove the bolts. 33. CAUTION: Do not damage the bolt hole threads. If not done previously, insert a punch in the bolt holes and drive off the differential ring gear. 34. Using the special tools, remove the differential bearin ...

Fittings - R-Clip
Material Item Specification SAE 5W-20 Super Premium Synthetic Blend Motor Oil XO-5W20-QSP or equivalent WSS-M2C153- H Disconnect WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel- ...