# Service bulletin SLM21\-009

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: 10201722
- Published by NHTSA: 2021\-10\-01
- Manufacturer's number: SLM21\-009
- Manufacturer's date: 2021\-09\-30
- NHTSA component: STRUCTURE; POWER TRAIN; ELECTRICAL SYSTEM; SERVICE BRAKES; ENGINE

## NHTSA's summary

Service Literature Published and Released in September, 2021

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201722-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201722-9999.pdf)

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

## Components

Body and frame, Brakes, Electrical system, Engine, Transmission and driveline

## Vehicles listed

- MACK MACK

JSON: [/v1/bulletins/10201722](/v1/bulletins/10201722)

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