Ford Expedition 2005–2006 — technical service bulletin
Bulletin 18711 · NHTSA communication 10017859 · issued Jul 1, 2005
Technical service bulletin
communication type
Power Train
component
2005–2006
model years
4
vehicle entries
Official summary
A clunk/thump noise from the rear when the transmission is engaged or shifted, during a change in vehicle direction or on acceleration. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.