Service bulletins for the 2011 Nissan Altima
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
134 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Exhaust manifold, pipes and muffler are shown. Show all
| NTB12120A | 2021-05-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. SERVICE INFORMATION When an exhaust manifold and three way catalyst assembly is removed from an applied vehicle for any reason: 1. Remove and discard the exhaust manifold stay and its related parts. 2. The upper and lower exhaust manifold covers (heat shields) may need to be replaced. - Refer to the FLOW CHART on page 3 for detailed vehicle applicability. See this bulletin for further detail. |
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| NTB-12-120-A | 2014-11-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT ADAPTIVE/MOBILITY. 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.