# Service bulletin K83741526

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: 10152927
- Published by NHTSA: 2019\-02\-19
- Manufacturer's number: K83741526
- Manufacturer's date: 2018\-12\-18
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

V\-MAC \- Jacobs Engine Brake Works Intermittently Between 2000 To 2100 RPM

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10152927-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10152927-9999.pdf)

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

## Components

Engine

## Vehicles listed

- MACK CH
- 2002 to 2008 MACK CHN
- MACK CL
- 2004 to 2008 MACK CT
- MACK CV
- MACK CX
- 2002 to 2008 MACK CXN
- MACK DM
- MACK LE
- MACK MR
- MACK RB
- MACK RD

## Other bulletins for the same vehicles and component

- [CBR 820\-9 202601](/bulletins/11028051.md), 2026-02-03, Service bulletin: ENGINE; VEHICLE SPEED CONTROL. CBR \- Mack Chassis \- Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer.
- [M\-251\-008](/bulletins/10225632.md), 2022-11-03, Service bulletin: ENGINE AND ENGINE COOLING. 2008 document reformated to be published as a TSB in Impact. Intake mounting hardware.
- [M\-265\-002](/bulletins/10222608.md), 2022-10-06, Service bulletin: ENGINE AND ENGINE COOLING. TSB\-Charge Air Cooler t\-clamp install.
- [M\-263\-003](/bulletins/10219108.md), 2022-09-01, Service bulletin: ENGINE AND ENGINE COOLING. 2009 Document reformatted to be published as a TSB in Impact. Fan Drive Belt Replacement MP7 Engine
- [M\-258\-006](/bulletins/10219104.md), 2022-09-01, Service bulletin: ENGINE AND ENGINE COOLING. 2009 Document reformatted to be published as a TSB in Impact. DRV Air Line Service Kit
- [KC\-2112](/bulletins/10215315.md), 2022-07-05, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING. Programming Failure \- Chassis With Cummins Engine And An Allison Transmission
- [KC\-750](/bulletins/10215287.md), 2022-07-05, Service bulletin: ENGINE AND ENGINE COOLING. US10 Emission Engines \- Diagnostic Trouble Code \( DTC \) SPN 1231 FMI 9 Troubleshooting.
- [KC\-663](/bulletins/10213658.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. Emcon \(Spark Assist\) Engine Aftertreatment System Troubleshooting Check Sheet \- US07 Emissions
- [KC\-653](/bulletins/10213652.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. Low Oil Pressure Diagnostic Process For 11 Liter Engines
- [KC\-644](/bulletins/10213651.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves \(Conical Tip Injectors\) \- US07 And Newer Emissions, Model Year 2008 And Newer

JSON: [/v1/bulletins/10152927](/v1/bulletins/10152927)

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