# Service bulletin PI 0844

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: 10083264
- Published by NHTSA: 2016\-10\-21
- Manufacturer's number: PI 0844
- Manufacturer's date: 2014\-04\-30
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

SOME MACK LEU TRUCKS WERE BUILT BETWEEN 08/15/2012–11/05/2012, WITH AN INVERSION VALVE INSTALLED INSTEAD OF A PRESSURE REDUCING VALVE FOR THE WORK BRAKE SYSTEM. THE EXISTING INVERSION VALVE \(PART NUMBER 21007503\) MAY CAUSE MAXIMUM BRAKE SYSTEM PRESSURE WHILE APPLYING THE TRUCK’S WORK BRAKE.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Brakes

## Vehicles listed

- 2013 MACK LEU

JSON: [/v1/bulletins/10083264](/v1/bulletins/10083264)

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