# Service bulletin KC\-246

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: 10206136
- Published by NHTSA: 2022\-01\-06
- Manufacturer's number: KC\-246
- Manufacturer's date: 2021\-12\-15
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

## NHTSA's summary

Mack Chassis \- Equipped With A Cummins 9 Liter Engine \- Serpentine Belt Excessively Worn Or Damaged; Fan Belt Shredding Or Fraying Repeatedly

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206136-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206136-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories

## Vehicles listed

- CUMMINS L9
- MACK MACK

JSON: [/v1/bulletins/10206136](/v1/bulletins/10206136)

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