# Service bulletin U107

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: 10152951
- Published by NHTSA: 2019\-02\-19
- Manufacturer's number: U107
- Manufacturer's date: 2019\-01\-25
- NHTSA component: ENGINE

## NHTSA's summary

Mack has determined that certain vehicles equipped with a model year \(?MY?\) 2014 MP8 model engine may be equipped with unit injectors that may not fulfill expected performance criteria pertaining to the life expectancy of a unit injector.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10152951-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10152951-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2014 MACK GRANITE \(GU\)
- 2014 MACK LR
- 2014 MACK LR6
- 2014 MACK PINNACLE \(CHU\)
- 2014 MACK PINNACLE \(CXU\)
- 2014 MACK TERRAPRO \(LEU/MRU\)
- 2014 MACK TITAN
- 2014 MACK TITAN \(TD\)

JSON: [/v1/bulletins/10152951](/v1/bulletins/10152951)

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