# Service bulletin K76992557

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: 10158910
- Published by NHTSA: 2019\-04\-22
- Manufacturer's number: K76992557
- Manufacturer's date: 2019\-03\-01
- NHTSA component: FUEL SYSTEM, GASOLINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

Aftertreatment Hydrocarbon Injector \(AHI, 7th Injector\) Changes Between US10 And US17 \(GHG17, Common Rail Fuel System\) \- Chassis Experiencing High soot Accumulation, Abnormal \( Too High, Overtemp, Too Low \) Regeneration Temperatures Following An Aftertreatment Hydrocarbon Injector Nozzle Replacement Procedure

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10158910-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10158910-9999.pdf)

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

## Components

Equipment and accessories, Fuel system

## Vehicles listed

- MACK CHU
- MACK CXU
- MACK GU
- MACK LE
- MACK LR
- MACK MR
- MACK R
- MACK TD

JSON: [/v1/bulletins/10158910](/v1/bulletins/10158910)

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