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Service bulletin KC-2244

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 id10232610
Published by NHTSA2023-03-07
Manufacturer's numberKC-2244
Manufacturer's date2023-02-22
NHTSA componentSTRUCTURE:FRAME AND MEMBERS; SUSPENSION

NHTSA's summary

Mack Model TE,LR - Frame Over Height

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

Body and frame, Suspension

Vehicles listed
MACK LR
MACK LR2010 to 2014
MACK LR2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
MACK MRU2008 to 2010
MACK TE2019 to 2021
MACK TERRAPRO (LEU)2012 to 2016
MACK TERRAPRO (LEU/MRU)2007 to 2016
MACK TERRAPRO (LEU/MRU)2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (MRU)2011 to 2016
MACK TERRAPRO (MRU)2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (TE)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (TE)2022 (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.

Other bulletins for the same vehicles and component
CBR 2373-4 2026052026-06-02. Service bulletin. Mack TerraPro Door Adjustment Procedure
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-2384 2024062024-07-03. Service bulletin. CBR - Mack Chassis - Day Cab Glass Breakage
CBR-2373 2024062024-07-03. Service bulletin. CBR - Mack Chassis - Door Adjustment - Model TE
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
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
M0230-Ver22023-06-05. Service bulletin. Emission Campaign: Vehicle Emission Label
M-831-0012023-04-04. Service bulletin. New TSB Door harness bracket