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:

Camshaft
Material Removal 1. Remove the valve tappets. For additional information, refer to Valve Tappets in this section. 2. Remove the timing chain. For additional information, refer to Timing Chain in this section. 3. Position the wire harness aside. 4. R ...

Pinpoint Tests
PINPOINT TEST A: THE ENGINE DOES NOT CRANK AND THE RELAY DOES CLICK Test Step Result / Action to Take A1 CHECK THE VOLTAGE TO THE STARTER RELAY YesGO to A2 . No REPAIR circuit 1050 (LG/VT) for an open. TEST the system for normal operation. ...

Communication Circuit Wiring Repair
Special Tool(s) Heat Gun 107-R0300 or equivalent 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Strip the wires. 3. NOTE: Use rosin core mildly activated (RMA) solder, not acid core solder. Solder ...