Service bulletins for the 2018 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.
589 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| No. 43-10 | 2020-08-05. Service bulletin. POWER TRAIN. Various repair symptoms and their associated repairs for all PDK transmissions. |
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| No. 70-20 | 2020-07-01. Service bulletin. POWER TRAIN. Information on new transmission oil for the 991 generation 911. Mixing is now not required. |
| No. 130-19 | 2020-06-02. Service bulletin. POWER TRAIN. Instructions for replacing the clutch chamber vent line in the event that oil leaks when driving on race circuits. |
| 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-G8Z7M-04 | 2020-04-02. Service bulletin. POWER TRAIN. Instructions for replacing the vent link for the clutch chamber in the event that transmission oil leaks out when driving on race circuits. |
| 122-A6B4Q-02 | 2020-02-04. Service bulletin. POWER TRAIN. Technical information outlining a transmission symptom where transmission oil leaks when driving on race circuits. The vent line for the clutch chamber must be replaced. |
| 122-D5X5D-12 | 2019-12-04. Service bulletin. POWER TRAIN. A revised bulletin outlining the complaint about longitudinal movement of the shift lever during load changes. This update is to include the 991 911 Speedster model. |
| 122-E6U4B-12 | 2019-02-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. Subject: Shift lever Information: The shift lever can move in longitudinal direction during load changes in 4th gear. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.