Service bulletin CBR-2016 202412
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 | 11012156 |
| Published by NHTSA | 2025-01-02 |
| Manufacturer's number | CBR-2016 202412 |
| Manufacturer's date | 2024-12-03 |
| NHTSA component | SUSPENSION |
NHTSA's summary
Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
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) | 2016 to 2017 |
|---|---|
| MACK ANTHEM (AN) | 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| MACK CHU | 2016 to 2018 |
| MACK CXU | 2016 to 2018 |
| MACK GRANITE (GR) | 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| MACK GRANITE (GU) | 2016 |
| MACK GRANITE (GU) | 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| MACK LEU | 2016 to 2017 |
| MACK LR | 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| MACK LRBE (ELECTRIC) | 2019 to 2025 |
| MACK MD | 2020, 2021, 2022, 2023, 2024, 2025 |
| MACK MD (ELECTRIC) | 2024 to 2025 |
| MACK MD (GASOLINE) | 2025 to 2026 |
| MACK MRU | 2016 to 2018 |
| MACK PINNACLE (PI/PN) | 2016 |
| MACK PINNACLE (PI/PN) | 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| MACK PIONEER PR (4) | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TD | 2016 to 2019 |
| MACK TERRAPRO (TE) | 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (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.
| 21V574000 | 2021-07-27. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET |
|---|---|
| 21V476000 | 2021-06-25. SUSPENSION:MULTIPLE AXLE |
| 16V929000 | 2016-12-23. SUSPENSION:FRONT:HUB |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| CBR 2584-4 202605 | 2026-06-02. Service bulletin. Electronically controlled suspension (ECS) calibration procedure. |
|---|---|
| SC S4920 202604 | 2026-05-05. Service campaign. SC - Trunion Nut Pinch Bolt. |
| CBR 2246-5 032026 | 2026-04-02. Service bulletin. CBR - Z Spring Bracket Wear. |
| CBR 2548-1 202601 | 2026-02-03. Service bulletin. CBR - Shock Interference With “Z” Springs. |
| CBR 2016-18 202511 | 2025-12-03. Service bulletin. CBR - Frame or Cab Lean. |
| CBR 2447 072025 | 2025-08-04. Service bulletin. CBR - Electronically Controlled Suspension (ECS) calibration using Premium Tech Tool (PTT) is required to correct discrepancies between the cluster load indicator and actual scale values, ensuring proper functionality of liftable axles and preventing unintended axle behavior. |
| 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-2342 202401 | 2024-02-02. Service bulletin. CBR: Mack Medium Duty (MMD) Rear Suspension Bump Stop Bending |