# Service bulletin K77864401

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: 10129917
- Published by NHTSA: 2018\-03\-12
- Manufacturer's number: K77864401
- Manufacturer's date: 2018\-01\-04
- NHTSA component: FUEL SYSTEM, DIESEL; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE

## NHTSA's summary

Mack Chassis \- Diesel Exhaust Fluid \( DEF \) System Cleaning/Flush After A Pump Failure or System Contamination.Removed Tech Tip, Added correct operation ID

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129917-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129917-0001.pdf)

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

## Components

Fuel system, Fuel pump

## Vehicles listed

- 2018 MACK ANTHEM \(AN\)
- MACK CXU
- 2006 to 2018 MACK CXU
- MACK GU
- 2006 to 2018 MACK GU
- 2007 to 2017 MACK LEU
- MACK LR
- 2010 to 2014 MACK LR
- 2015 to 2018 MACK LR
- 2007 to 2018 MACK MRU
- MACK TD
- 2007 to 2018 MACK TD

JSON: [/v1/bulletins/10129917](/v1/bulletins/10129917)

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