Service bulletins for the 2014 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.
576 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
| No. 19-20-1 | 2021-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Porsche service campaign instructions for Workshop campaign WLA4 - Retrofitting Heat Shield. |
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| No. 134-18 | 2021-02-01. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:IGNITION:COIL. Instructions on how to replace the engine coils in the event that there is engine noise. |
| No. 72-17 | 2021-02-01. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. Instructions for reworking the fan motor in the event that the HVAC does not function. |
| No. 54-20 | 2021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved A40 style engine oils for new and classic Porsche models. |
| No. 53-20 | 2021-01-05. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 style engine oils for new and classic Porsche vehicles. |
| No. 2000 | 2020-11-06. Service bulletin. ENGINE AND ENGINE COOLING. Advanced Technical information on a NVH Lubrication kit. |
| No. 11-15 | 2020-10-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Information on replacing the control unit for the auxiliary alarm system in the event of fault codes. |
| No. 31-20 | 2020-10-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. List of approved engine oils for all Porsche models since 2003. |
| No. 21-13 | 2020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on how to rework the crankshaft pulse sender in the event of rough running. |
| No. 33-20 | 2020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Overview of Approved Porsche C20 Engine Oils |
| No. 16-20 | 2020-06-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. List of approved A40 engine oils for all applicable vehicles as of 1984. |
| 122-T4N8F-05 | 2020-05-05. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Porsche intranet posting for Workshop Campaign WLA4. |
| 122-U6R4G-05 | 2020-05-05. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Workshop Campaign instructions for WS Campaign WLA4 - Retrofitting Heat Shield. |
| 122-T7L9Z-05 | 2020-05-05. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Workshop Campaign instructions for WS Campaign WLA4 - Retrofitting Heat Shield. |
| 122-M8J3B-05 | 2020-05-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 engine oils for all Porsche models since 1984. |
| 122-F4J4K-04 | 2020-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models. |
| 122-M7J7N-04 | 2020-04-02. Service bulletin. ENGINE AND ENGINE COOLING. Updated instructions for reworking the coolant pipe on affected vehicles if there is a loss of coolant in the coolant pipe. |
| 122-T9S3B-02 | 2020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C30 engine oils for all Porsche vehicles since 1984. |
| 122-Z2X7A-02 | 2020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all Porsche vehicles since 1984. |
| 122-S7K8Z-02 | 2020-02-04. Service bulletin. WHEELS; ENGINE AND ENGINE COOLING. List of approved A40 engine oils for all Porsche vehicles since 1984. |
| 122-T6A9F-02 | 2020-02-04. Service bulletin. SEATS; WHEELS; ENGINE. Parts withdrawal for various parts that were used in Recall and workshop campaigns. |
| 122-N4W7J-11 | 2019-11-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Parts withdrawal bulletin for the coolant pump on 991 and 992 911 models. |
| 122-G2B4B-11 | 2019-11-01. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 engine oils for Porsche vehicles. |
| 122-X2X7N-07 | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Notice to dealers that coolants will be moved out of the special tool cabinet in the dealer service department in order to make room for new special tools. All coolant tools will be moved to the "Coolant Cart" because they need to be housed in the same place. |
| 122-X4X7D-09 | 2018-11-19. Service bulletin. ENGINE AND ENGINE COOLING. Cause The noises can occur if there is excessive spring force tolerance in the oil separator Date of introduction The optimized oil separators are used in production from November 25, 2015. Remedial action In the event of a customer complaint, check the part number of the installed oil separator and replace the oil separator if necessary. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.