Service bulletins for the 2021 Porsche Cayenne
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.
829 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Engine oil and lubrication are shown. Show all
| No. 166-21-1 | 2024-02-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PIPES, HOSES, AND FITTINGS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ENGINE AND ENGINE COOLING. Technical information for Oil Leakage on Cylinder Head Cover: Insert Micro-Self-Locking Screw |
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| No. 22-23 | 2023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C40 engine oils. |
| No. 21-23 | 2023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C30 engine oils. |
| No. 20-23 | 2023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C20 engine oils. |
| No. D647 | 2023-09-09. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP. Parts information on parts withdrawal for the oil pump |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.