Nissan Altima 2004–2005 — technical service bulletin

Bulletin 050586 · NHTSA communication 10018308 · issued Dec 6, 2005

Technical service bulletin

communication type

Engine and Engine Cooling

component

2004–2005

model years

vehicle entries

Official summary

Voluntary service campaign qr25de power valve

Vehicles covered

2004 Nissan Altima
2005 Nissan Altima
2004 Nissan Sentra
2005 Nissan Sentra

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.