# Service bulletin K53510452

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: 10129916
- Published by NHTSA: 2018\-03\-12
- Manufacturer's number: K53510452
- Manufacturer's date: 2018\-01\-02
- NHTSA component: FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE

## NHTSA's summary

Expired \- Refer to K93039325 \- Mack Chassis \- SNM16\-032 DEF \(Diesel Exhaust Fluid\) Contamination In Diesel Fuel.New solution released with improved information

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129916-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129916-0001.pdf)

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

## Components

Fuel system

## Vehicles listed

- MACK CHU
- 2006 to 2018 MACK CHU
- 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

## Other bulletins for the same vehicles and component

- [CBR 2107\-21 202505](/bulletins/11018813.md), 2025-06-02, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. Mack DEF Level \(UQLS\) Sensor Troubleshooting Guide \- US17\+OBD16 Emissions and Newer
- [CBR 445\- 11 202505](/bulletins/11018806.md), 2025-06-02, Service bulletin: FUEL/PROPULSION SYSTEM. Vehicles Equipped With a Common Rail Fuel System \- Aftermarket Secondary Fuel Filters, Important Information On Approved Filters \- US17\+OBD16 toUS21\+OBD23
- [CBR\-570 202409](/bulletins/11008374.md), 2024-10-03, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. CBR: US17 GHG Common Rail Fuel System Component Electrical Faults \- Model Year 2017 To 2024
- [CBR\-2139 202405](/bulletins/11000831.md), 2024-06-04, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this issue.
- [KC\-331\-Ver6](/bulletins/10237354.md), 2023-06-05, Service bulletin: FUEL SYSTEM, DIESEL. CBR: Model Year 2017 to Current \- Fuel Filter Change \( Primary And Secondary \) For The EM \- USA17 Emission Engines
- [KC\-331](/bulletins/10233500.md), 2023-04-04, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, DIESEL. Model Year 2017, 2018 \- Fuel Filter Change \( Primary And Secondary \) For The EM \- USA17 Emission Engines
- [KC\-2157](/bulletins/10215309.md), 2022-07-05, Service bulletin: ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Aftertreatment Hydrocarbon Injector \(AHI\) Troubleshooting Guide \- US10\+OBD13 And Newer Emissions.
- [KC\-659](/bulletins/10213622.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL. Mack Chassis \- Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information \- All Emissions Prior To US17\+OBD16 \(Common Rail Fuel System\), Model Year 2017 And Older
- [KC\-634](/bulletins/10211064.md), 2022-05-06, Service bulletin: FUEL SYSTEM, DIESEL. Model Year 2017, 2018 \- US17 Emission Engines \- The \( Donaldson \) Fuel Filter \- Part Number P550529 \- " Cannot " Be Used
- [KC\-505](/bulletins/10210055.md), 2022-04-06, Service bulletin: EQUIPMENT; FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:HOSES/VALVES/SENSORS; ENGINE. Mack Chassis \-Technical Service Bulletin M\-284 \- 068, Exhaust Particulate Sensor, Repair \( 2016 Vehicles \)

JSON: [/v1/bulletins/10129916](/v1/bulletins/10129916)

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