# Service bulletin KC\-751

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: 10215286
- Published by NHTSA: 2022\-07\-05
- Manufacturer's number: KC\-751
- Manufacturer's date: 2022\-06\-28
- NHTSA component: POWER TRAIN

## NHTSA's summary

Vehicles Equipped With An Automated Manual Transmission Model D or F \( AMT\-D, AMT\-F \) \- Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal \- US10 And Newer Emissions, Common Model Years 2010 And Newer.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10215286-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10215286-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2016 to 2017 MACK ANTHEM \(AN\)
- 2018 to 2023 MACK ANTHEM \(AN\)
- MACK ASET
- MACK CH
- MACK CHK SERIES
- MACK CHU
- 2010 to 2018 MACK CHU
- 2010 MACK CHU613
- 2010 MACK CHU614
- MACK CL
- MACK CLASS 6
- MACK CLASS 7
- MACK CLASS 8
- 2010 to 2012 MACK CMH
- 2010 to 2013 MACK CMM
- MACK CRD SERIES
- MACK CRD112/113
- MACK CRD200
- MACK CRD92/93
- MACK CS 300
- MACK CS 300P
- MACK CS SERIES
- MACK CV
- MACK CX
- MACK CXU
- 2010 to 2018 MACK CXU
- 2010 to 2011 MACK CXU612
- 2010 MACK CXU613
- 2010 MACK CXU613E
- 2010 MACK CXU614
- MACK DM
- MACK DM SERIES
- MACK DM400
- MACK DM600
- MACK DM807
- MACK DM809
- MACK DM811
- MACK DMM SERIES
- MACK E6
- MACK E7
- MACK F SERIES
- MACK FDM
- MACK FREEDOM
- 2018 to 2023 MACK GRANITE \(GR\)
- 2010 to 2016 MACK GRANITE \(GU\)
- 2017 MACK GRANITE \(GU\)
- MACK GU
- 2010 to 2018 MACK GU
- 2010 MACK GU713
- 2010 MACK GU812E
- 2010 MACK GU813
- 2010 MACK GU813E
- 2010 MACK GU814
- MACK J\-TECH
- MACK LE
- 2010 to 2017 MACK LEU
- MACK LR
- 2010 to 2014 MACK LR
- 2015 to 2022 MACK LR
- 2020 to 2023 MACK LR ELECTRIC
- 2011 to 2016 MACK LR6
- MACK M35AK
- MACK M65BX
- MACK MACK
- MACK MB SERIES
- MACK MC400
- MACK MC600
- 2020 to 2023 MACK MD
- MACK MH
- MACK MIDLINER
- MACK MIDR
- MACK MILITARY VEHICLE
- MACK MR
- MACK MR SERIES
- MACK MR400
- MACK MR600
- 2010 to 2018 MACK MRU
- MACK MS SERIES
- MACK MS200P
- MACK MS300
- MACK MS300P
- 2010 to 2016 MACK PINNACLE \(CHU\)
- 2017 to 2022 MACK PINNACLE \(CHU\)
- 2010 to 2016 MACK PINNACLE \(CXU\)
- 2017 to 2022 MACK PINNACLE \(CXU\)
- 2018 to 2023 MACK PINNACLE \(PI/PN\)
- MACK R
- MACK RB
- MACK RD
- MACK RD SERIES
- MACK RM SERIES
- MACK RW SERIES
- MACK SR70
- MACK T200
- MACK T2060A
- MACK T2090L
- MACK T2090LR
- MACK T300
- MACK TD
- 2010 to 2019 MACK TD
- 2010 MACK TD713
- 2010 MACK TD714
- 2019 to 2021 MACK TE
- 2012 to 2016 MACK TERRAPRO \(LEU\)
- 2010 to 2016 MACK TERRAPRO \(LEU/MRU\)
- 2017 to 2019 MACK TERRAPRO \(LEU/MRU\)
- 2011 to 2016 MACK TERRAPRO \(MRU\)
- 2017 to 2022 MACK TERRAPRO \(MRU\)
- 2017 to 2018 MACK TERRAPRO \(TE\)
- 2022 MACK TERRAPRO \(TE\)
- 2013 to 2015 MACK TITAN
- 2010 to 2018 MACK TITAN \(TD\)
- MACK U
- MACK V\-MAC
- MACK V\-MAC III
- MACK WL
- MACK WS

## Recalls for the same vehicles and component

- [2026108](/recalls/tc/2026108.md), 2026-03-11: Powertrain
- [19V047000](/recalls/nhtsa/19V047000.md), 2019-01-21: POWER TRAIN:CLUTCH ASSEMBLY
- [2016495](/recalls/tc/2016495.md), 2016-10-11: Powertrain
- [16V099000](/recalls/nhtsa/16V099000.md), 2016-02-19: POWER TRAIN:DRIVELINE:DRIVESHAFT

## Other bulletins for the same vehicles and component

- [TSB M\-913\-001 202609](/bulletins/11037730.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Parker engine\-mounted hydraulic pump service bulletin.
- [CBR 2573\-1 202604](/bulletins/11032092.md), 2026-05-05, Service bulletin: POWER TRAIN. CBR \- Mack Chassis \- Through Shaft Bearing Retainer Breakage On Mack Carriers.
- [CBR 2362\-3 202604](/bulletins/11032086.md), 2026-05-04, Service bulletin: POWER TRAIN. CBR \- Mack Carrier Nut Adhesive Change.
- [CBR 2218\-6 032026](/bulletins/11030582.md), 2026-04-02, Service bulletin: POWER TRAIN. CBR \- Parker F3 Hydraulic Pump Troubleshooting.
- [S4558 202506](/bulletins/11020159.md), 2025-07-03, Service campaign: POWER TRAIN. Mack trucks has determined that certain model year 2021\-2024 PI models built with 4.19 rear axle ratios could experience elevated axle oil temps under high road speeds. To correct this issue the 4.19 ratio carriers need to be swapped to 3.79 ratio carriers. Follow the instructions below to replace both carriers with new ones.
- [CBR 2464\-1 202505](/bulletins/11018816.md), 2025-06-02, Service bulletin: POWER TRAIN. Mack Chassis \- Rear Axle Overheat
- [CBR\-2387 202409](/bulletins/11008382.md), 2024-10-04, Service bulletin: POWER TRAIN. CBR: Vehicles Equipped With A Lift Axle \- Wheel Speed Fault Code SPN 793, SPN 794 Set When Axle Is Up
- [CBR\-2258 202409](/bulletins/11008379.md), 2024-10-03, Service bulletin: POWER TRAIN. CBR: Diagnostic Trouble Code \(DTC\) P107471 \- AMT\-F
- [CBR\-731 202409](/bulletins/11008377.md), 2024-10-03, Service bulletin: POWER TRAIN. CBR: Automated Manual Transmission \(AMT\) Model D or F \(mDrive and I\-Shift, AMT\-D, AMT\-F\) \- Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal \- US10 And Newer Emissions, Common Model Years 2010 And Newer
- [CBR\-2391 202408](/bulletins/11006927.md), 2024-09-04, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. CBR: Diagnostic Trouble Code \(DTC\) U010187\- Lost Communication With TECU

JSON: [/v1/bulletins/10215286](/v1/bulletins/10215286)

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