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Service bulletin S7610

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 id10203018
Published by NHTSA2021-11-05
Manufacturer's numberS7610
Manufacturer's date2021-10-20
NHTSA componentSERVICE BRAKES, AIR; SERVICE BRAKES, AIR:SLACK ADJUSTERS; SUSPENSION:SUBFRAME/MOUNTING BRACKET

NHTSA's summary

Bump Stop Interference with Brake Slack

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

Brakes, Suspension

Vehicles listed
MACK GRANITE (GR)2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK LR2020, 2021, 2022
MACK TE2020 to 2021

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

Recalls for the same vehicles and component
20246322024-10-24. Brakes
24V7920002024-10-23. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
24V1220002024-02-19. SERVICE BRAKES, AIR
22V2950002022-05-03. SERVICE BRAKES, AIR
21V5730002021-07-27. SERVICE BRAKES, AIR
21V4760002021-06-25. SUSPENSION:MULTIPLE AXLE

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 407 0720252025-08-04. Service bulletin. CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
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-407 2024092024-10-03. Service bulletin. CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
CBR-2360 2024042024-05-01. Service bulletin. CBR: Chassis Equipped With VECU5 Active Datalink/Communication Faults For Multiple Modules; ABS And SRS Communication Faults
CBR-2014 2024022024-03-05. Service bulletin. CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
CBR-2016 2024012024-02-02. Service bulletin. CBR: Frame Or Cab Lean
CBR-2313 2023092023-10-03. Service bulletin. CBR: "Spitting" or "puffing" of air from purge valve.
M728-005A 2023082023-09-06. Service bulletin. TSB: Barksdale Leveling Valve, Leak Test
KC-22922023-07-06. Service bulletin. Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering
KC-2012-Ver32023-06-05. Service bulletin. CBR: SNM 20-005 - HD Disc Brake Rotor Upgrade