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:

Cleaning the alloy wheels
Note: Do not use chrome cleaner, metal cleaner or polish on wheels and wheel covers. A clearcoat paint finish coats aluminum wheels and wheel covers. In order to maintain their condition: • Clean weekly with Motorcraft Wheel and Tire Cleaner. Use a sponge ...

Intake Air Distribution and Filtering
Torque Specifications a - Refer to the procedure Intake Air Distribution and Filtering (DESCRIPTION AND OPERATION) The air intake system consists of the: air intake scoop (Mach I) air cleaner (ACL). air cleaner (ACL) element. mass air flow (MAF) s ...

Under hood overview
3.7L V6 Engine A. Battery B. Engine oil dipstick C. Engine oil filler cap D. Brake fluid reservoir E. Air filter assembly F. Engine coolant reservoir G. Windshield washer fluid reservoir H. Power distribution box 5.0L V8 Engine A. Battery B. Engine oil fille ...