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:

Assembly
1. NOTE: Universal joint service kits are to be installed as complete assemblies only. Do not mix components from other U-joint kits. Install the bearing cup. 1. Start a new bearing cup into the driveshaft yoke. Check the needle bearings for correct po ...

Dowels - Flywheel
Removal 1. NOTE: Take care not to damage the flywheel dowel holes or the surface areas around the flywheel dowel during removal. Remove the flywheel dowels by using a drift pin where the flywheel dowel is installed in an open hole and a pair of lockin ...

Crankshaft Runout
Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or equivalent 1. NOTE: Crankshaft main bearing journals must be within specifications before checking runout. Use the Dial Indicator Gauge with Holding Fixtur ...