Service bulletin 417
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 | 10009762 |
| Published by NHTSA | 2004-10-21 |
| Manufacturer's number | 417 |
| Manufacturer's date | 2004-09-03 |
| NHTSA component | ENGINE AND ENGINE COOLING:ENGINE |
NHTSA's summary
DUE TO LOWER VALVE SPRING CAPS WHICH WERE NOT SUFFICIENTLY HARDENED BEING INSTALLED BETWEEN THE VALVE SPRINGS AND THE CYLINDER HEAD. THE LOWER VALVE SPRING CAPS WILL WEAR OVER TIME. THIS CAN CAUSE ENGINE DAMAGE DURING PERIODS OF EXTENDED USE AT HIGH SPEEDS, E.G., WHEN THE VEHICLE IS USED ON A RACE TRACK. PORSCHE 911 GT3 2004. *TT
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
Engine
| UNKNOWN UNKNOWN |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.