# Service campaign 14\-037

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 campaign
- NHTSA id: 11036288
- Published by NHTSA: 2026\-08\-20
- Manufacturer's number: 14\-037
- Manufacturer's date: 2026\-08\-11
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

An improved transmission bracket is now available for replacement on certain chassis equipped with a PACCAR TX\-12 transmission, featuring a more durable design for enhanced long\-term performance.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036288-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036288-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2024 to 2027 KENWORTH T280
- 2024 to 2027 KENWORTH T380
- 2024 to 2027 KENWORTH T480
- 2024 to 2027 KENWORTH T680
- 2024 to 2027 KENWORTH T880
- 2024 to 2027 PETERBILT 537
- 2024 to 2027 PETERBILT 548
- 2024 to 2027 PETERBILT 567
- 2024 to 2027 PETERBILT 579

JSON: [/v1/bulletins/11036288](/v1/bulletins/11036288)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20campaign%2014-037&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11036288&vehicle=Service%20campaign%2014-037)