Service bulletin FSB 237-021v2
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 | 10195320 |
| Published by NHTSA | 2021-06-07 |
| Manufacturer's number | FSB 237-021v2 |
| Manufacturer's date | 2021-05-13 |
| NHTSA component | FUEL SYSTEM, DIESEL |
NHTSA's summary
Revision: Valve, Common Rail, Removal
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Fuel system
| MACK ANTHEM (AN) | 2016 to 2017 |
|---|---|
| MACK ANTHEM (AN) | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK CHU | 2016 to 2018 |
| MACK CXU | 2016 to 2018 |
| MACK GRANITE (GR) | 2016 |
| MACK GRANITE (GR) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK GRANITE (GU) | 2016 |
| MACK GRANITE (GU) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK GU | 2016 to 2018 |
| MACK MRU | 2016 to 2018 |
| MACK PINNACLE (CHU) | 2016 |
| MACK PINNACLE (CHU) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK PINNACLE (CXU) | 2016 |
| MACK PINNACLE (CXU) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK PINNACLE (PI/PN) | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TERRAPRO (TE) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| CBR 2107-21 202505 | 2025-06-02. Service bulletin. Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer |
|---|---|
| CBR 445- 11 202505 | 2025-06-02. Service bulletin. Vehicles Equipped With a Common Rail Fuel System - Aftermarket Secondary Fuel Filters, Important Information On Approved Filters - US17+OBD16 toUS21+OBD23 |
| CBR-570 202409 | 2024-10-03. Service bulletin. CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024 |
| CBR-2139 202405 | 2024-06-04. Service bulletin. 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 | 2023-06-05. Service bulletin. CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines |
| KC-331 | 2023-04-04. Service bulletin. Model Year 2017, 2018 - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines |
| KC-2157 | 2022-07-05. Service bulletin. Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions. |
| KC-659 | 2022-06-07. Service bulletin. 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 | 2022-05-06. Service bulletin. Model Year 2017, 2018 - US17 Emission Engines - The ( Donaldson ) Fuel Filter - Part Number P550529 - " Cannot " Be Used |
| KC-247 | 2022-04-06. Service bulletin. 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) |