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:
Pilot Bearing
Special Tool(s)
Puller with Slide Hammer
308-001 (T58L-101-B)
1. Remove the clutch disc and the clutch pressure plate. For additional
information, refer to Disc
and Pressure Plate-3.8L and 4.6L (2V) Engines or Disc and Pressure Plate-4.6L
(4V ...
Pinpoint Tests
CAUTION: Be careful when probing the CJB, battery junction box (BJB)
or any
connectors. Damage will result to the connector receptacle if the probe or
terminal being used
is too large.
CAUTION: Electronic modules are sensitive to static electrical char ...
Noise, Vibration and Harshness (NVH) (Description and Operation)
Noise is any undesirable sound, usually unpleasant in nature. Vibration is
any motion, shaking or
trembling, that can be felt or seen when an object moves back and forth or up
and down. Harshness is
a ride quality issue where the vehicle's response to the ro ...
