# Service bulletin US18\_3, 4, 6

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: 10211289
- Published by NHTSA: 2022\-05\-07
- Manufacturer's number: US18\_3, 4, 6
- Manufacturer's date: 2022\-04\-01
- NHTSA component: SERVICE BRAKES; EQUIPMENT; EXTERIOR LIGHTING

## NHTSA's summary

MACK DEFENSE\-Direction Indicator Trailer Right / Body Builder Brake Turn Right, High/Direction Indicator Trailer Right / Body Builder Brake Turn Right, Low/Direction Indicator Trailer Right / Body Builder Brake Turn Right, Overload

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211289-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211289-9999.pdf)

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

## Components

Brakes, Equipment and accessories, Lighting

## Vehicles listed

- MACK MILITARY VEHICLE

JSON: [/v1/bulletins/10211289](/v1/bulletins/10211289)

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