Lincoln LS 2000 — technical service bulletin
Bulletin 13913 · NHTSA communication 620282 · issued Mar 1, 2001
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000
model years
1
vehicle entries
Official summary
Some vehicle's hydraulic cooling fan systems (hcf) may exhibit a knocking noise. This noise could be due to air in the system, hcf lines or components improperly touching other components, or a hcf pump. *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.