Service bulletin CBR 2246-5 032026
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 | 11030583 |
| Published by NHTSA | 2026-04-02 |
| Manufacturer's number | CBR 2246-5 032026 |
| Manufacturer's date | 2026-03-02 |
| NHTSA component | SUSPENSION |
NHTSA's summary
CBR - Z Spring Bracket Wear.
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
Suspension
| MACK ANTHEM (AN) | 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| MACK ANTHEM AN (4) | 2026, 2027 (the catalog's model; the bulletin names a series or trim of it) |
| MACK CHU | 2010 to 2018 |
| MACK CXU | 2010 to 2018 |
| MACK GRANITE (GR) | 2023, 2024, 2025, 2026, 2027 (the catalog's model; the bulletin names a series or trim of it) |
| MACK PINNACLE (PI/PN) | 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| CBR 2584-4 202605 | 2026-06-02. Service bulletin. Electronically controlled suspension (ECS) calibration procedure. |
|---|---|
| S4650 102025 | 2025-11-03. Service campaign. SC - The vehicle’s torque rod bracket hardware may have incorrect coating that requires different torque specifications. |
| CBR-2016 202412 | 2025-01-02. Service bulletin. Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues. |
| S3938 202404 | 2024-05-01. Service bulletin. Service Campaign: Primax Bracket Clocking |
| S3857 202402 | 2024-03-06. Service bulletin. Service Campaign - MMD Suspension Bracket Torque. |
| CBR-2014 202402 | 2024-03-05. Service bulletin. CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer. |
| CBR-2016 202401 | 2024-02-02. Service bulletin. CBR: Frame Or Cab Lean |
| M728-005A 202308 | 2023-09-06. Service bulletin. TSB: Barksdale Leveling Valve, Leak Test |
| CBR-2306 202308 | 2023-09-06. Service bulletin. CBR: Lift Axle Lowers During An Anti-lock Braking System (ABS)Breaking Event Or When Weight Is Added To The 5th Wheel/Rear Suspension- AN Model |
| KC-2292 | 2023-07-06. Service bulletin. Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering |