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Service bulletin K31822325

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10170141
Published by NHTSA2020-01-13
Manufacturer's numberK31822325
Manufacturer's date2019-12-18
NHTSA componentPOWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

NHTSA's summary

Mack Chassis - Differential Carrier Models CRD 125 And CRD 150 - New Differential Axle Seal Installation Tool; New Tool Required For New Input And Output Seal Installation

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

Equipment and accessories, Transmission and driveline

Vehicles listed
MACK ANTHEM (AN)2020 (the catalog's model; the bulletin names a series or trim of it)
MACK CH2007
MACK CHN2008
MACK CHU2018
MACK CL2008
MACK CT2008
MACK CTP2008
MACK CV2008
MACK CX2007
MACK CXN2008
MACK CXP2008
MACK CXU2018
MACK DM2006
MACK GRANITE (GR)2020 (the catalog's model; the bulletin names a series or trim of it)
MACK GU2018
MACK LE2007
MACK LEU2017
MACK LR2020
MACK MRU2018
MACK PINNACLE (PI/PN)2020 (the catalog's model; the bulletin names a series or trim of it)
MACK RB2005
MACK RD2005
MACK TD2019
MACK TE2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
09V2400002009-06-30. POWER TRAIN:AXLE ASSEMBLY

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CBR 2573-1 2026042026-05-05. Service bulletin. CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
CBR 2362-3 2026042026-05-04. Service bulletin. CBR - Mack Carrier Nut Adhesive Change.
CBR 2464-1 2025052025-06-02. Service bulletin. Mack Chassis - Rear Axle Overheat
CBR-2387 2024092024-10-04. Service bulletin. CBR: Vehicles Equipped With A Lift Axle - Wheel Speed Fault Code SPN 793, SPN 794 Set When Axle Is Up
CBR-731 2024092024-10-03. Service bulletin. 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 2024082024-09-04. Service bulletin. CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU
CBR-343 2024082024-09-04. Service bulletin. CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak.
CBR-1008 2024042024-05-01. Service bulletin. CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.
CBR-202 2024022024-03-05. Service bulletin. CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
PSM23m2na712023-12-05. Service bulletin. Parts Sales and Marketing Bulletin: Mack Trucks is excited to announce an additional year warranty program on REMACK AMT mDRIVE Complete Transmissions. This extended warranty of 3 years or 350,000 miles on the transmission will be applicable when dealer installed, required parts are installed and is registered via eService.