Service bulletin No. 166-21-1
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 | 10249920 |
| Published by NHTSA | 2024-02-08 |
| Manufacturer's number | No. 166-21-1 |
| Manufacturer's date | 2024-01-30 |
| NHTSA component | ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PIPES, HOSES, AND FITTINGS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ENGINE AND ENGINE COOLING |
NHTSA's summary
Technical information for Oil Leakage on Cylinder Head Cover: Insert Micro-Self-Locking Screw
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Equipment and accessories, Labels and manuals, Engine oil and lubrication
| PORSCHE CAYENNE | 2019, 2020, 2021, 2022, 2023 |
|---|---|
| PORSCHE CAYENNE E-HYBRID | 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE GT | 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE GTS | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE S | 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE S E-HYBRID | 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO COUPE | 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO GT | 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO S E-HYBRID | 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO S HYB COUPE | 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE redundant CAYENNE E-HYBRID | 2020 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| No. 22-23 | 2023-10-05. Service bulletin. Manufacturers certificate for an overview of approved Porsche C40 engine oils. |
|---|---|
| No. 21-23 | 2023-10-05. Service bulletin. Manufacturers certificate for an overview of approved Porsche C30 engine oils. |
| No. 20-23 | 2023-10-05. Service bulletin. Manufacturers certificate for an overview of approved Porsche C20 engine oils. |
| No. 19-23 | 2023-10-05. Service bulletin. Manufacturers certificate for an overview of approved Porsche A40 engine oils. |
| No. 18-23 | 2023-10-05. Service bulletin. Manufacturers certificate for an overview of approved Porsche C40 engine oils. |
| No. 17-23 | 2023-10-05. Service bulletin. Manufacturers certificate for an overview of approved Porsche C30 engine oils. |
| No. 16-23 | 2023-10-05. Service bulletin. Manufacturers certificate for an overview of approved Porsche C20 engine oils. |
| No. D647 | 2023-09-09. Service bulletin. Parts information on parts withdrawal for the oil pump |
| No. 12-22 | 2022-10-05. Service bulletin. Instructions on manufacturers certificate for allocation of approved engine oils. |
| No. 31-20 | 2020-10-01. Service bulletin. List of approved engine oils for all Porsche models since 2003. |