Service bulletins for the 1983 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.
63 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Transmission and driveline are shown. Show all
| No. 2404 | 2024-04-03. Service bulletin. POWER TRAIN; EQUIPMENT. Special tools and equipment information for the Boxster, Cayman, 911, and Panamera |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.