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Service bulletins for the 2008 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.

121 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Exhaust manifold, pipes and muffler are shown. Show all

Bulletins, newest first
NTB08001B2021-05-10. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. see NTB13-056 INTRODUCTION Nissan has determined that on some 2007 ? 2008 Altima Sedans and 2008 Altima Coupes equipped with the 2.5 liter four cylinder engines, a rattle noise may occur around the exhaust manifold heat shield during start up or at low engine speeds (approximately 1600 RPM). The symptom does not affect the operation of the engine or the vehicle. To address this issue, Nissan is conducting a Voluntary Service Campaign to replace the lower exhaust manifold heat shield. IDENTIFICATION NUMBER Nissan has assigned identification number PB053 to this campaign. This number must appear on all communications and documentation of any nature dealing with this campaign. See this bulletin for further detail.
NTB12120A2021-05-10. 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.
NTB-12-120-A2014-11-14. 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.