# Service campaign S4990 202606

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: 11034137
- Published by NHTSA: 2026\-06\-29
- Manufacturer's number: S4990 202606
- Manufacturer's date: 2026\-06\-19
- NHTSA component: STRUCTURE:BODY

## NHTSA's summary

The crossmember may come in contact with certain driveshaft U\-joint configurations.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034137-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034137-9999.pdf)

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

## Components

Body and frame

## Vehicles listed

- 2026 to 2027 MACK GRANITE \(GR\)

## Other bulletins for the same vehicles and component

- [CBR 2432\-2 202601](/bulletins/11028041.md), 2026-02-03, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. CBR \- Mack Chassis \- AN And GR Models \- Door Glass Shattering.
- [CBR 70\-8 202505](/bulletins/11018803.md), 2025-06-02, Service bulletin: STRUCTURE:BODY. Lack of lateral structural hood support.

JSON: [/v1/bulletins/11034137](/v1/bulletins/11034137)

[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%20S4990%20202606&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11034137&vehicle=Service%20campaign%20S4990%20202606)