Service bulletin WF41
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10074874 |
| Published by NHTSA | 2016-06-22 |
| Manufacturer's number | WF41 |
| Manufacturer's date | 2016-02-25 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Transmission and driveline
| PORSCHE 918 SPYDER | 2015 (the catalog's model; the bulletin names a series or trim of it) |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| No. 28-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils. Note that this bulletin covers all models back to model year 1984, for which C40 engine oils are allocated. |
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| No. 27-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils. Note that the bulletin covers all models back to model year 1984, for which C20 engine oils are allocated. |
| No. 26-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils. Note that the bulletin includes all models back to model year 1984, for which C30 engine oils are allocated. |
| No. 25-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils. Note that this bulletin covers all vehicles from model year 1997 to 2020, for which A40 engine oils are assigned. Model years 1997-2001 are not available for selection in the system. |
| 18/26 | 2026-08-06. Warranty extension. Warranty Information: Warranty Extension for Transmission Electronics Control Unit (18/26) |
| 09/26 3730 | 2026-07-07. Service bulletin. Permanent Fault Memory Entries “P1775”/“P071400”/“P184900” in Transmission Electronics Control Unit (PDK) (09/26) |
| No. D780 | 2026-05-07. Service bulletin. Parts information for parts withdrawal involving the transmission oil. Part number 00004321012 is affected - the vehicles that use this part number should be included. |
| No. D776 | 2026-05-06. Service bulletin. Parts information for parts withdrawal involving the transmission oil. The vehicles affected are ones that use the part number 00004330563 |
| No. D768.1 | 2026-04-07. Service bulletin. Parts information for parts withdrawal involving the transmission fluid. Part number 00004321048. The cars affected are ones that use the part number listed. |
| No. D768 | 2026-03-02. Service bulletin. Parts information for parts withdrawal involving the (00004321048) Transmission fluid. The vehicles affected are ones that use the part number mentioned. |