# Service bulletin U105

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: 10152949
- Published by NHTSA: 2019\-02\-19
- Manufacturer's number: U105
- Manufacturer's date: 2019\-01\-25
- NHTSA component: FUEL SYSTEM, GASOLINE; ENGINE

## NHTSA's summary

Mack has determined that certain vehicles equipped with a model year \(?MY?\) 2014 MP7 engine may be equipped with an aftertreatment hydrocarbon injector system \(AHI\) that may not fulfill expected performance criteria pertaining to the life expectancy of an AHI.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10152949-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10152949-9999.pdf)

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

## Components

Engine, Fuel system

## 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/10152949](/v1/bulletins/10152949)

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