Some 4X4 vehicles built with center disconnect front axles may exhibit a moaning noise from the front...
Ford technical service bulletin 99143 for 1997-1999 Ford F-150, 1997-1999 Ford Expedition and 1997-1999 Ford F-250 and others.
- Bulletin number
- 99143
- Component
- Power train: driveline: differential unit
- Summary
- Some 4x4 vehicles built with center disconnect front axles may exhibit a moaning noise from the front differential while operating in 4x2 mode. Tt
Owners of these vehicles have filed 643 complaints in the transmission category.
Vehicles covered
- Ford F-150 1997-1999 199719981999
- Ford Expedition 1997-1999 199719981999
- Ford F-250 1997-1999 199719981999
- Lincoln Navigator 1998-1999 19981999
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