Service bulletin 01-093
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 | 11036341 |
| Published by NHTSA | 2026-08-25 |
| Manufacturer's number | 01-093 |
| Manufacturer's date | 2026-08-20 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
"KW: On certain T680 BEV chassis, installing an updated A/C suction line between the A/C compressor and thermostatic expansion valve (TXV) will help maintain optimal performance and protect the evaporator core tubing and TXV seals. PB: On certain Model 579 BEV chassis, installing an updated A/C suction line between the A/C compressor and thermostatic expansion valve (TXV) will help maintain optimal performance and protect the evaporator core tubing and TXV seals."
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.
| KENWORTH T680 | 2022, 2023, 2024 |
|---|---|
| PETERBILT 579 | 2022, 2023, 2024, 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.