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:

Caliper (Removal and Installation)
Special Tool(s) Rear Caliper Piston Adjuster 206-026 (T87P-2588-A) Removal 1. Raise the vehicle on a hoist. 2. Remove the wheel and tire assembly. 3. Disengage the parking brake cable end from the parking brake lever arm. 4. Remov ...

Removal
1. Raise and support the vehicle. 2. Remove the wheel and tire assembly. 3. Remove the rear brake disc (2C026). 4. Remove the differential housing cover (4033) and drain the lubricant. For additional information, refer to Differential Housing Cover in t ...

Air Conditioning (A/C) System Check - Retail Procedure
NOTE: This Retail Procedure is not eligible for claiming on Ford paid repairs (warranty and ESP). NOTE: The engine should be run at idle for 10 minutes with the air conditioning on and set to MAX A/C before carrying out this retail procedure. NOTE: Re ...