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Service bulletins for the 1999 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.

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

By type

By component

Bulletins, newest first
No. D618.12022-12-07. Service bulletin. UNKNOWN OR OTHER; COMMUNICATION. Parts information for parts withdrawal involving the gateway
PIWIS2201au2022-10-05. Service bulletin. EQUIPMENT. Information for PIWIS tester update 41.400.000 & .010.
PIWIS2201at2022-10-05. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.375.050
PIWIS2201as2022-10-05. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.375.045.
No. D6152022-10-05. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE. Parts information for parts withdrawal involving the fuel filler flap
PIWIS2201ar2022-10-05. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.375.040
No. 1804.12022-09-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Instructions on advanced technical information for the lubricant for the sunroof/sliding roof.
PIWIS2201an2022-09-08. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.300.000, .010 & .012
No. 2002.12022-09-08. Service bulletin. EQUIPMENT. Special tools information for new blitz table replacement castors.
No. 33-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 engine oils for all Porsche models using this oil.
No. 31-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C40 engine oils for all Porsche models using this oil.
No. 36-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approve Porsche A40 engine oils.
No. 35-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 oils for Porsche models using C30 oils.
No. 22142022-08-05. Service bulletin. EQUIPMENT. Special tools and equipment for the VAG 1561 storage kit in foam with blades
No. 221002022-08-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Special tools information for VAS 5161A tool kit for valve cotter R&I and cylinder head repair
No. 1801.42022-04-05. Service bulletin. SERVICE BRAKES. Advanced technical information for a brake squeal.
No. 89-112022-04-05. Service bulletin. SUSPENSION. Technical information - adjust values for suspension alignment: using current values and observing specifcations.
No. D5992022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. Parts information for parts withdrawal involving the valve spring. Part numbers affected are PAB109623 and 958109623.
No. 06-222022-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for allocation of approved engine oils up until MY2020. (starting back at MY1984). An overview of the approved engine oils.
No. 21162021-11-05. Service bulletin. EQUIPMENT. Special tools information for a new contact surface cleaning set.
No. 56-202021-11-04. Service bulletin. ELECTRICAL SYSTEM. Instructions on the Porsche Classic Communication Management Plus - PCCM Plus
No. 59-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all Porsche models using C20 oil.
No. 60-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine C30 engine oils for all Porsche vehicles using C30 oil.
No. 61-212021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models using C40 oil.
No. 21122021-09-02. Service bulletin. EQUIPMENT. Special tools information on new Redline Dual Purpose Diagnostic Leak Locator.

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