Diagnostic Routine - Noise (Howl/Moan) In All Or More Than One Drive Modes
WARNING: This page is about a different car, the 2002 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC ROUTINE - NOISE (HOWL/MOAN) IN ALL OR MORE THAN ONE DRIVE MODES
Possible Component
Reference/Action
Axle Bearings
INSPECT Differential & Pinion Bearings. INSTALL New Bearings.