Pinpoint Test Ag: Transfer Case Howl/Hum -- Noise At All Ranges Or 4H Only
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Normal Operation and Fault Conditions
REFER to: Transfer Case .
Possible Sources
- Worn or damaged sun (input) gear, clutch pack (intermediate) gear or output shaft gear.
Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods