Ford LCF 450 Series 2006–2007 — technical service bulletin
Bulletin 0640 · NHTSA communication 10021283 · issued Feb 1, 2007
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006–2007
model years
4
vehicle entries
Official summary
Customer satisfaction program. Engine crankcase ventillation system upgrade. Ford. Certain 2006 and 2007 low cab forward vehicles. *kb
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.