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:
Symptom Chart
Condition
Possible Sources
Action
Dogtracking
Excessive rear
thrust angle.
Front or rear
suspension
components.
Drive axle
damaged.
CHECK the wheel alignment.
ADJUST as necessary
INSPE ...
Crankshaft End Play
Special Tool(s)
Dial Indicator Gauge with
Holding Fixture
100-002 (TOOL-4201-C) or
equivalent
1. Measure the crankshaft end play. Use a Dial Indicator Gauge with Holding
Fixture to measure
crankshaft end play.
2. Position the crankshaft t ...
Camshaft Lobe Lift
Special Tool(s)
Dial Indicator Gauge with
Holding Fixture
100-002 (TOOL-4201-C) or
equivalent
1. Use a Dial Indicator Gauge with Holding Fixture to measure camshaft
intake/exhaust lobe lift.
Rotate the camshaft and subtract the lowest ...
