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:

Drive Pinion Flange and Drive Pinion Seal
Special Tool(s) 2-Jaw Puller 205-D072 (D97L-4221-A) or equivalent Holding Fixture, Drive Pinion Flange 205-126 (T78P-4851-A) Installer, Drive Pinion Flange 205-002 (TOOL-4858-E) or equivalent ...

Evaporative Emission Canister Purge Valve
Removal and Installation 1. WARNING: The evaporative emission system contains fuel vapor and condensed fuel vapor. Although not in large quantities, it still presents the danger of explosion or fire. Disconnect the battery ground cable from the bat ...

Ford Extended Service Plan
FORD ESP EXTENDED SERVICE PLANS PROTECT YOURSELF FROM THE RISING COST OF VEHICLE REPAIRS WITH A FORD EXTENDED SERVICE PLAN. SERVICE PLANS (U.S. only) More than 32 Million Ford and Lincoln owners have discovered the powerful protection Ford ESP. It is the only ...