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Service bulletins for the 2021 Porsche 718 Cayman

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
No. 06-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 oils for all Porsche models that use C20 oil.
No. 2206.32022-12-06. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the radiator fans (intermittently inoperative) on the 982.
No. 2206.22022-11-04. Service bulletin. ENGINE AND ENGINE COOLING. Advanced technical information for the Boxster and Cayman.
No. 32-222022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approved C20 engine oils.
No. 34-222022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approved Porsche C30 engine oils.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.