Recalls
Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Mack Trucks, Inc. (Mack) is recalling certain 2008-2019 TerraPro (MRU) and 2019-2022 TerraPro (TE) vehicles. A brake control valve air leak into the attached exhaust hose can create excessive back pressure, causing the parking brake to release unexpectedly.
Mack Trucks, Inc. (Mack) is recalling certain 2021 Granite, LR, and TerraPro vehicles. The rear drive axle may have the incorrect type of brake cam installed, which could result in inoperative rear axle brakes.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mack told its dealers about the 2021 Mack TE: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11000831 | 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. |
| 10253807 | CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information. |
| 10253804 | 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. |
| 10252308 | 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. |
| 10251333 | CBR -Telematics Gateway (TGW) Connect Ability Issues |
| 10251331 | CBR - Active "Set Park Brake" Message On Drivers Information Display (DID). |
| 10251329 | CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft. |
| 10251328 | CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer. |
| 10249553 | CBR: TGW Will Not Connect After SIM Card Replacement |
| 10249551 | CBR: Frame Or Cab Lean |
| 10248101 | CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the engine may move excessively and rub the area where it secures the line. |
| 10246099 | 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. |
| 10246086 | TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.98 ratios. The new HD through shaft is an upgrade over the current standard shaft and can now be used as a replacement part instead of the standard shaft. The new HD shaft has a new design to increase strength, longevity and life over the standard shaft. |
| 10244808 | CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster |
| 10243453 | TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement |
| 10241946 | TSB: Barksdale Leveling Valve, Leak Test |
| 10241914 | CBR: Intermittent Diagnostic Trouble Codes U02A3,U029D, U029E - USE FOR NEW VEHICLES (US21+OBD22 Emissions) |
| 10240231 | CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission |
| 10240202 | CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions |
| 10238836 | Diagnostic Trouble Code (DTC) P103200: Particulate Matter Sensor Removed from Exhaust - US21+OBD22 Emissions |
| 10238830 | Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering |
| 10238826 | Engine Control Module (EMS) Software (MSW) Information - Improvement List, Through June 2023 - US21+OBD2020 Emissions |
| 10238787 | Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions |
| 10238786 | CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions |
| 10237356 | CBR: Diagnostic Trouble Code (DTC) P225C00 : NOx1 Sensor Stuck High - US17+OBD2019 And Newer Emissions |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Vehicle Roll Away
NHTSA Office of Defects Investigation