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Service bulletin No. 08-25

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11015158
Published by NHTSA2025-03-06
Manufacturer's numberNo. 08-25
Manufacturer's date2025-03-01
NHTSA componentENGINE; FUEL/PROPULSION SYSTEM

NHTSA's summary

Manufacturer's Certificate - Allocation of Approved Engine Oils MY2025 (08/25)

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, Fuel system

Vehicles listed
PORSCHE 718 BOXSTER2025
PORSCHE 718 CAYMAN2026
PORSCHE 718 SPYDER2025
PORSCHE 9112025
PORSCHE 911 CARRERA2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 GT32025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE2025
PORSCHE CAYENNE COUPE2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE E-HYBRID2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE E-HYBRID COUPE2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE MACAN2025
PORSCHE MACAN 4 ELECTRIC2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE MACAN 4S ELECTRIC2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE MACAN ELECTRIC2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE MACAN GTS2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE MACAN S2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE MACAN TURBO ELECTRIC2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA 4 E-HYBRID2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE TAYCAN2025
PORSCHE TAYCAN TURBO2026 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE TAYCAN TURBO GT2025 (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.

Recalls for the same vehicles and component
20254982025-09-23. Fuel System
25V6340002025-09-23. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
GR13D8042026-10-02. Service bulletin. Parts Information for Parts Withdrawal - High-Voltage Heating (PTC)
WSM52026-10-02. Service campaign. Porsche intranet posting for Campaign WSM5 – Replacing engine data sticker (VECI)
No. WSM52026-10-02. Service campaign. Technical Information for Campaign WSM5 – Replacing engine data sticker (VECI)
WTL22026-10-02. Service campaign. Porsche intranet posting for Campaign WTL2 – Replacing Electric Passenger Compartment Heater
No. WTL22026-10-02. Service campaign. Technical Information for Campaign WTL2 – Replacing Electric Passenger Compartment Heater
No. 91-262026-10-02. Service bulletin. Technical Information for Particles/Metal Chips/Residues in Engine Oil
SY No. 72-262026-10-02. Service bulletin. Symptom-based workshop manual for High-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin only covers 911 Turbo S with the t-hybrid system.
No. 72-262026-10-02. Service bulletin. Symptom-based workshop manual for High-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin covers only 911 GTS t-hybrid models.
No. 32-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils
No. 31-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils