Service campaign WST9
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 campaign |
|---|---|
| NHTSA id | 11027314 |
| Published by NHTSA | 2026-01-07 |
| Manufacturer's number | WST9 |
| Manufacturer's date | 2025-12-02 |
| Campaign id or software version | WST9 |
| NHTSA component | ENGINE |
NHTSA's summary
Porsche intranet posting for information on stop delivery WST9. Retrofitting heat protection on coolant line
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
| PORSCHE PANAMERA 4 E-HYBRID | 2026 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| PORSCHE PANAMERA 4S E-HYBRID | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO E-HYBRID | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S E-HYBRID | 2026 (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. 31-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils |
|---|---|
| No. 30-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils |
| No. 29-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils |
| No. 36-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils |
| No. 62-26 | 2026-10-02. Service bulletin. Technical Information for Coolant Warning Light Lights Up: Suspected Coolant Loss on the Coolant Pump |
| GR13D802 | 2026-09-04. Service bulletin. Parts Information for Parts Withdrawal - Coolant Regulator Housing |
| GR13D803 | 2026-09-04. Service bulletin. Parts Withdrawal - Control Valve |
| No. 2304-2 | 2026-09-04. Service bulletin. Information on Advanced Technical Information for E3.I/G2 V8 – Oil/Air Separator Membrane Failure |
| 13/26 | 2026-08-06. Service bulletin. Allocation of Approved Engine Oils MY 2027 (13/26) |
| GR13D790 | 2026-07-08. Other. Parts Withdrawal - Various Parts |