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:

Exhaust Gas Recirculation (EGR) Valve
Removal and Installation NOTE: The 4.6L, 2V is shown. The 3.8L is similar. 1. Disconnect the vacuum hose. 2. Disconnect the EGR tube from the EGR valve. 3. Remove the two bolts, the EGR valve and the gasket. 4. NOTE: Install a new gasket. To install, ...

Transmission Support Crossmember
Removal and Installation 1. Raise and support the vehicle. For additional information, refer to Section. 2. Support the transmission with a suitable transmission jack. 3. Remove the crossmember. 1. Disconnect the HO2S sensors and position them aside. 2. ...

Inspection and Verification
1. Verify the customer concern. 2. Visually inspect for obvious signs of mechanical and electrical damage. Visual Inspection Chart Mechanical Electrical Fuel tank Engine coolant level Accessory drive belt Engine oil level Par ...