Service bulletin TSN 31-08
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 | 10193163 |
| Published by NHTSA | 2021-05-13 |
| Manufacturer's number | TSN 31-08 |
| Manufacturer's date | 2014-09-12 |
| NHTSA component | TRAILER HITCHES; EQUIPMENT |
NHTSA's summary
All Freightliner models specifying and built with the Fifth wheel air actuated king pin release valve data code 579-008. Field reports on newly delivered vehicles that the air actuated king pin release valve mounting screws were found loose or in some cases missing. A missing mounting screw could result in the release knob jamming between the dash and valve body holding the valve in an open position.
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
Equipment and accessories, Trailer hitch
| FREIGHTLINER FREIGHTLINER |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.