Lincoln LS 2004 — technical service bulletin
Bulletin 04B21 · NHTSA communication 10010638 · issued Oct 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
1
vehicle entries
Official summary
Customer satisfaction program 04b21. Water pump hose replacement. The water pump hose may have been manufactured with an incorrect number of woven reinforcement loops, potentially causing the hose to burst at low mileage, causing a loss of coolant. *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.