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Service bulletins for the 2020 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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
No. 2005.12020-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Revised instructions for clearing an engine warning fault caused by a brake light switch fault.
No. 53-202020-08-05. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING. Campaign instructions for Porsche workshop campaign WLD3 - Replace Engine Mounts and Retrofit Caps.
No. 137-192020-07-02. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Instructions for completing Workshop Campaign WKJ7 - Replacing Coolant Pump.
No. 20082020-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. Information on recommended exhaust extraction adapters for the new 992 generation 911.
No. 16-202020-06-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. List of approved A40 engine oils for all applicable vehicles as of 1984.
122-Z6N6E-052020-05-05. Service bulletin. ENGINE AND ENGINE COOLING. Porsche intranet posting for Workshop campaign WKJ7.
122-Z8Y8T-052020-05-05. Service bulletin. ENGINE AND ENGINE COOLING. Workshop campaign instructions for WS Campaign WKJ7 - Replacing Coolant Pump.
122-M8J3B-052020-05-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 engine oils for all Porsche models since 1984.
122-U2J8F-042020-04-02. Service bulletin. ENGINE; EQUIPMENT. Instructions for retrofitting the sports exhaust system on the new 992 generation 911.
122-F4J4K-042020-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models.
122-T9S3B-022020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C30 engine oils for all Porsche vehicles since 1984.
122-Z2X7A-022020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all Porsche vehicles since 1984.
122-S7K8Z-022020-02-04. Service bulletin. WHEELS; ENGINE AND ENGINE COOLING. List of approved A40 engine oils for all Porsche vehicles since 1984.
122-P3P9M-022020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. Technical Information guide for workshop campaign WKF2, which seeks to replace the Pulse Sender on the crankshaft of affected vehicles.
122-T6A9F-022020-02-04. Service bulletin. SEATS; WHEELS; ENGINE. Parts withdrawal for various parts that were used in Recall and workshop campaigns.
122-Z5W7P-022020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. Porsche Intranet posting for Workshop Campaign WKF2, which seeks to replace the Pulse Sender for the crankshaft on affected vehicles.
122-N4W7J-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Parts withdrawal bulletin for the coolant pump on 991 and 992 911 models.
122-K6U9E-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. Information about retrofitting sports exhaust on the new 992 911.
122-G2B4B-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 engine oils for Porsche vehicles.

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