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Service bulletin KC-8

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 id10203112
Published by NHTSA2021-11-05
Manufacturer's numberKC-8
Manufacturer's date2021-10-15
NHTSA componentSTRUCTURE

NHTSA's summary

(Back Office Only) Mack Chassis - Granite Models (GR) - Body Raised Out Of Position Message Not Dislaying In Driver Information Display - INT-GEN2

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

Vehicles listed
MACK GRANITE (GR)2020, 2021, 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 2575-1 2026042026-05-05. Service bulletin. CBR - Mack Chassis - Dash Panel Cracking at Mounting to BIW.
CBR 2432-2 2026012026-02-03. Service bulletin. CBR - Mack Chassis - AN And GR Models - Door Glass Shattering.
CBR 70-8 2025052025-06-02. Service bulletin. Lack of lateral structural hood support.
CBR-2384 2024072024-08-01. Service bulletin. CBR: Mack Chassis - Day Cab Glass Breakage
CBR-2384 2024062024-07-03. Service bulletin. CBR - Mack Chassis - Day Cab Glass Breakage
CBR-2016 2024012024-02-02. Service bulletin. CBR: Frame Or Cab Lean
M0230-Ver22023-06-05. Service bulletin. Emission Campaign: Vehicle Emission Label
M-700-0012023-05-03. Service bulletin. TSB: Frame Flange Relief Cut-out Templates with 105 millimeter Frame Flanges
KC-702021-12-07. Service bulletin. Mack Chassis - Model GR/GU - Hood Warpage
KC-702021-08-02. Service bulletin. Mack Chassis - Model GR/GU - Hood Warpage