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:

Valve Springs
Special Tool(s) Compressor, Valve Spring 303-163 (T81P-6513-A) Material Removal 1. Remove the LH and the RH valve covers. For additional information, refer to Valve Cover-LH and Valve Cover RH in this section. 2. Rotate the crankshaft un ...

Acceleration Control (Description and Operation)
Component Locations   The throttle is controlled by the accelerator cable which is connected to the accelerator pedal and shaft. The accelerator pedal and shaft should travel smoothly from the idle to the wide-open throttle (WOT) positions. Hesi ...

Pinpoint Test J: LFC 34/DTC B1934 - Driver Air Bag Circuit Resistance Low
Normal Operation The restraints control module (RCM) monitors the resistance of the driver air bag ignitor by measuring the resistance between pins 3 and 4. If the RCM detects low resistance between these pins, it will store a diagnostic trouble code (D ...