Service bulletins for the 2004 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.
409 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 0304 | 2005-01-28. Service bulletin. SERVICE BRAKES, AIR. REAR BRAKE AIR GUIDE: ALUMINUM RING COMES LOOSE. *TC |
|---|---|
| 0104 | 2005-01-28. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. POSSIBILITY OF CLUTCH SLAVE CYLINDER EXPERIENCING INCREASED WEAR AS MILEAGE INCREASES ON THE VEHICLE. *TC |
| 423 | 2004-10-21. Service bulletin. ELECTRICAL SYSTEM. FLAT RECEPTACLE OF XE RELAY SOCKET. VARIOUS MODELS INCLUDING 911 GT3 2004. *TC |
| 423 | 2004-10-21. Service bulletin. ELECTRICAL SYSTEM. FLAT RECEPTACLE OF XE RELAY SOCKET. *TC |
| 304 | 2004-07-30. Service bulletin. UNKNOWN OR OTHER. SPRING STRUT LOCKING DEVICES FOR NEW VEHICLE TRANSPORT. *TT |
| 304 | 2004-07-21. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. WHEEL FASTENING BOLTS HAVE BEEN MODIFIED. PORSCHE 911 GT3 2004. *MJ |
| 304 | 2004-07-21. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. WHEEL FASTENING BOLTS HAVE BEEN MODIFIED. *MJ |
| 304 | 2004-07-21. Service bulletin. UNKNOWN OR OTHER. SPRING STRUT LOCKING DEVICES FOR NEW VEHICLE TRANSPORT. *MJ |
| 1001 | 2004-06-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPLACING ENGINE- INSTALL ADDITIONAL REAR LID SEAL.*MR |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.