Service bulletins for the 2011 Porsche 911
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.
423 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Crankcase ventilation (PCV) are shown. Show all
| 122-V3U7E-06 | 2017-08-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING. Concerns: Plug on crankcase for cylinders 1-3. Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. There is the possibility that a plug that was pressed into and sealed to the crankcase is not seated securely enough in the opening on the affected vehicles. As a result, this can cause the plug to become loose and as a result, oil can suddenly leak out of the crankcase, resulting in immediate engine damage. |
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| TI-27-12 REV 1 | 2013-02-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). PORSCHE: A PLUG, PRESSED AND SEALED INTO CRANKCASE, WAS NOT SECURELY SEALED ENOUGH AND THIS RESULTED IN PLUG BECOMING LOOSE AND OIL SUDDENLY LEAKED OUT OF CRANKCASE, CAUSING DAMAGE TO ENGINE, IMMEDIATELY. MODELS 2011-2012 911 GT3 RS.4. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.