Nissan Altima 2006 — technical service bulletin
Bulletin 05121 · NHTSA communication 10019150 · issued Dec 21, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006
model years
1
vehicle entries
Official summary
There is a possibility that the water pump may develop a coolant leak due to contamination during the assembly process. Voluntary service campaign water pump replacement. *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.