# Service bulletin FSB237\-020

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: 10123150
- Published by NHTSA: 2017\-11\-09
- Manufacturer's number: FSB237\-020
- Manufacturer's date: 2017\-10\-31
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

Unit Injector Yoke Hold\-Down Bolt Torque Specification

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10123150-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10123150-0001.pdf)

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

## Components

Fuel system

## Vehicles listed

- 2010 to 2018 MACK CHU
- 2010 to 2018 MACK CXU
- 2010 to 2018 MACK GU
- 2018 MACK PINNACLE \(PI/PN\)

## 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
- [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\-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\-247](/bulletins/10210039.md), 2022-04-06, Service bulletin: FUEL SYSTEM, OTHER:FUEL FILTER; ELECTRICAL SYSTEM:SOFTWARE. Mack Chassis \- Diagnostic Trouble Codes \( DTC's \) P24A0 And P249F Lighting The Malfunction Indicator Lamp \( MIL \) \- US14\+OBD15, US14\+OBD16 \(Common Model Years 2016 And 2017\), US17\+OBD16 And Newer \( Common Rail Fuel System, Model Year 2018\)
- [KC\-157](/bulletins/10209934.md), 2022-04-05, Service bulletin: FUEL SYSTEM, DIESEL. Mack Chassis \- Diagnostic Trouble Code \( DTC \) P009E\-73 \- Fuel Pressure Relief Control Performance / Stuck Off \- US17\+OBD16 And US17\+OBD18 \( GHG17 \) Emissions \(With Common Rail Fuel System\), Commonly Model Years 2018 And 2019
- [S7567](/bulletins/10207682.md), 2022-02-06, Service bulletin: FUEL SYSTEM, DIESEL. EPRV Delete \& Fuel Rail Pressure Sensor Update

JSON: [/v1/bulletins/10123150](/v1/bulletins/10123150)

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