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Service bulletin CBR-2342 202401

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10249556
Published by NHTSA2024-02-02
Manufacturer's numberCBR-2342 202401
Manufacturer's date2024-01-29
NHTSA componentSUSPENSION

NHTSA's summary

CBR: Mack Medium Duty (MMD) Rear Suspension Bump Stop Bending

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

Vehicles listed
MACK MD2021, 2022, 2023, 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
21V5740002021-07-27. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CBR-2016 2024122025-01-02. Service bulletin. Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
CBR-2016 2024012024-02-02. Service bulletin. CBR: Frame Or Cab Lean
M728-005A 2023082023-09-06. Service bulletin. TSB: Barksdale Leveling Valve, Leak Test
KC-2273-Rev62023-06-05. Service bulletin. CBR: Pre-Delivery Inspection (PDI) Torque Values. This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI).
KC-21702022-06-07. Service bulletin. Electronically Controlled Suspension (ECS) Losing Air Pressure
S75902021-07-06. Service bulletin. MMD - Carrier Bearing Bolt Re-Torque