Ford Mustang (1999-2004) Service Manual: Gear Howl and Whine

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. Lubricate the differential side gear thrust washers and the differential side gear journals, and assemble the washers to the gears. Use SAE 75W-140 High Performance Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A ...

Starter Drive and Flywheel Ring Gear Inspection
1. Remove the starter motor. For additional information, refer to Starter Motor-3.8L or Starter Motor-4.6L in this section. 2. Check the wear patterns on the starter drive gear and the flywheel ring gear . If the wear pattern is normal, install the sta ...

Exhaust System Neutralizing
WARNING: Exhaust gases contain carbon monoxide, which is harmful to health and potentially lethal. Repair exhaust system leaks immediately. Never operate the engine in an enclosed area. WARNING: Exhaust system components are hot. NOTE: Neutralize the exhau ...