Nissan Altima 2007–2011 — technical service bulletin
Bulletin NTB-12-120-A · NHTSA communication 10056378 · issued Sep 5, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007–2011
model years
9
vehicle entries
Official summary
Nissan: information provided regarding removal of three way catalyst and exhaust manifold service and replacement, if needed, of upper/lower (heat shield) exhaust manifold covers. Model 20007-10 sedan/coupe, 2007-11 hybrid. *pe
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.