Fatal crashes in the US
From 2020 to 2023, 3 2009 MRU vehicles were involved in crashes on US public roads in which someone died; 0 people died inside them. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
Recalls in Canada
3 Transport Canada recalls for the 2009 Mack MRU.
| 2012065 20 Feb 2012 | Suspension On certain trucks, the front axle beam may have been manufactured incorrectly. In certain application the load on the axle could allow stress cracks to form wh… |
| 2011262 21 Jul 2011 | Steering On certain trucks, the steering gear mounting bolts may not have received adequate tightening torque during vehicle assembly. Should the bolts loosen, the stee… |
| 2011148 1 Apr 2011 | Electrical On certain vehicles, the rearview mirror switch (mounted on the dashboard) may overheat, causing the plastic to melt. An overheated switch may not allow rearvi… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
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 is recalling certain model year 2008-2009 GU, LEU, and MRU trucks, manufactured from December 12, 2007, through May 8, 2008 and equipped with a certain focal mounted retarder control box. The control box may lose its electrical ground.
MACK IS RECALLING CERTAIN MODEL YEAR 2009-2011 MRU AND MODEL YEAR 2010-2011 LEU VEHICLES, MANUFACTURED FROM JANUARY 1, 2009, THROUGH SEPTEMBER 30, 2010 BECAUSE THE FRONT AXLE MAY CRACK AND FRACTURE.
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2009-2012 MRU HEAVY TRUCKS MANUFACTURED FROM NOVEMBER 26, 2008, THROUGH APRIL 26, 2011. THE BOLTS USED TO MOUNT THE STEERING GEAR WERE NOT TIGHTENED TO SPECIFICATION. THE BOLTS CAN LOOSEN WHICH OVER TIME MAY CAUSE THE STEERING GEAR TO DISCONNECT FROM ITS MOUNTING BRACKET.
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2012 MRU AND LEU HEAVY TRUCKS MANUFACTURED FROM JANUARY 3, 2007, THROUGH FEBRUARY 3, 2011. THE ELECTRICAL CIRCUITRY IN THESE VEHICLES MAY NOT PROVIDE ADEQUATE OVERCURRENT PROTECTION.
MACK IS RECALLING CERTAIN MODEL YEAR 2008 THROUGH 2011 GU AND MRU MODEL VEHICLES MANUFACTURED WITH A FRONT TOW GLAD HAND OPTION. THE ACTUATION AND RELEASE TIMING OF THE VEHICLES EXCEEDS THE LIMIT WHICH FAILS TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS."
MACK IS RECALLING 338 MODEL YEAR 2009 MRU AND LEU HEAVY DUTY TRUCKS MANUFACTURED FROM AUGUST 20 THROUGH NOVEMBER 26, 2008 EQUIPPED WITH CERTAIN HALDEX QUICK RELEASE VALVES (QRV). THE RUBBER DIAPHRAGM INSIDE THE QRV MAY EXPERIENCE DELAMINATION RESULTING IN SIGNIFICANT LEVELS OF AIR PRESSURE LEAKAGE PAST AND/OR THROUGH THE DIAPHRAGM, OR THE DEVELOPMENT OF A BUBBLE IN THE DIAPHRAGM WHICH MAY TRAP AIR PRESSURE IN THE VALVE AND NOT ALLOW THE SERVICE BRAKES TO RELEASE.
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 2009 Mack MRU: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 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. |
| 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. |
| 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. |
| 10241946 | TSB: Barksdale Leveling Valve, Leak Test |
| 10241918 | CBR: FSB 381-049, Instrument Cluster Reprogramming ( MID140 ) - (Fault Code MID 140 PSID 200 FMI 9 Being Displayed ) |
| 10237342 | CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19 |
| 10237339 | CBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns ( FI, PI ) And Recalls ( EC, SC ), Location On Trucks Dealer Portal ( TDP ) |
| 10235490 | TSB: Vibration Diagnostics |
| 10235489 | TSB: Stock Vehicle Storage and Maintenance |
| 10235486 | TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada |
| 10232610 | Mack Model TE,LR - Frame Over Height |
| 10232609 | Mack Chassis - No Gauge Cluster Backlight |
| 10222608 | TSB-Charge Air Cooler t-clamp install. |
| 10219102 | 2009 Document reformatted to be published as a TSB in Impact. DPF Harness Routing |
| 10219085 | 2009 Document reformatted to be published as a TSB in Impact. New Air Dryer |
| 10219084 | 2009 Document reformatted to be published as a TSB in Impact. Cab Roof Harness Repair and Pass-Through Hole Modification |
| 10219082 | 2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles |
| 10215360 | 2008 document reformatted to be published as a TSB in Impact. All LEU & MRU Models with a MP7, a Non-Catalyzed DPF, and 07 Emissions. Design and function. |
| 10215359 | 2008 document reformated to be published as a TSB in Impact. All CXU, CHU, GU, MRU's built with Volvo Engines and 07 Emissions. Cleaning Aftertreatment Fuel Injectors. |
| 10215315 | Programming Failure - Chassis With Cummins Engine And An Allison Transmission |
| 10215312 | (Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP). |
| 10215295 | Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim For Chassis Return Visit With Transmission Issues After A Repair Requiring Control Housing Removal And Reinstallation - US07 And N. |
| 10215289 | Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1 |
| 10215287 | US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting. |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Vehicle Roll Away
NHTSA Office of Defects Investigation