Diagnostic Routine - Noise (Howl/Moan) In All Or More Than One Drive Modes
WARNING: This page is about a different car, the 2005 Ford Pickup. 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 and pinion bearings. INSTALL new bearings.