Lincoln Navigator 2001–2004 — technical service bulletin
Bulletin 17637 · NHTSA communication 10007409 · issued Mar 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2004
model years
4
vehicle entries
Official summary
Runs rough / lacks power / misfire / malfunction indicator lamp - loss of compression on vehicles with over 20,000 miles. *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.