Service bulletin SB23-31-004
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 | 10247401 |
| Published by NHTSA | 2023-12-18 |
| Manufacturer's number | SB23-31-004 |
| Manufacturer's date | 2023-10-27 |
| NHTSA component | POWER TRAIN:AXLE ASSEMBLY |
NHTSA's summary
On some Semi vehicles, the Efficiency Drive Axle (EDA) and Torque Drive Axle (TDA) air spring to trailing arm interfaces may have gaps. The gaps may cause uneven loading of the air spring, and may reduce spring service life.
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
Transmission and driveline, Axle
| TESLA MODEL S | 2022 |
|---|---|
| TESLA SEMI | 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| SB23-31-003 | 2023-12-18. Service bulletin. On certain Semi, the LH and RH trailing arm fasteners on the Torque Drive Axle (TDA) and Efficiency Drive Axle (EDA) may have loosened over time. |
|---|