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:

Rocker Arm
Removal CAUTION: If removing more than one rocker arm (6564), mark the components removed for correct location. 1. Remove the valve covers. For additional information, refer to Valve Cover-LH and Valve Cover RH in this section. 2. Remove the rocker ...

Air Conditioning (A/C) Compressor Shaft Seal
Special Tool(s) Holding Fixture, Compressor Clutch (3.8L vehicles) 412-098 (T94P-19703-AH) Holding Fixture, Compressor Clutch (4.6L vehicles) 412-103 (T95L-19703-AH) Protector, A/C Compressor Shaft Oil Seal 412-06 ...

Piston
Special Tool(s) Piston Pin Tool or equivalent 303-D034 (D81L-6135-A) Material Item Specification SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP or equivalent WSS-M2C153- H Disassembly 1. Using the special tool, ...