Mack recalls — page 3
216 NHTSA recall campaigns filed since 2000 that affect Mack vehicles, newest first. Last verified Jul 30, 2026.
- Sep 10, 2014Crash risk2015 Mack Titan — Engine and Engine Cooling
Mack Trucks, Inc. (Mack) is recalling certain model year 2015 Titan trucks manufactured January 17, 2014, to May 23, 2014. Due to an incorrect parameter setting in the software for the engine control unit, the engine may stall.
14V551000 · 19 units · Mack Trucks, Inc.
- Sep 9, 2014Crash risk2014–2015 Mack Chu, 2013–2015 Mack Pinnacle (cxu) — Forward Collision Avoidance
Mack Trucks, Inc. (Mack) is recalling certain model year 2013-2015 CXU and 2014-2015 CHU trucks manufactured August 23, 2012, through June 27, 2014, and equipped with adaptive cruise control. Due to a software error, the affected vehicles may not provide visual or audible alerts to the driver warning them that an obstruction in the road was detected.
14V545000 · 538 units · Mack Trucks, Inc.
- Apr 18, 2014Crash risk2014–2015 Mack Pinnacle (cxu) — Service Brakes, Air
Mack Trucks Inc. (Mack) is recalling certain model year 2014-2015 CXU trucks manufactured February 1, 2013, through January 27, 2014, and equipped with a vertical wet tank (aka supply air tank) for the brake system. The pressure relief valve may not have been installed in the tank during manufacturing.
14V207000 · 490 units · Mack Trucks, Inc.
- Apr 18, 2014Crash risk2010–2014 Mack Chu, 2007 Mack CT, 2007 Mack CV and 8 other models — Exterior Lighting
Mack Trucks Inc. (Mack) is recalling certain model year 2010-2014 CHU, CXU, and MRU, 2007 CT and CV, 2008-2014 GU, and 2011-2014 LEU, and TD trucks manufactured February 28, 2006, through November 8, 2013, and equipped Hamsar Electronic Flasher. The hazard warning lights may fail.
14V208000 · 44K units · Mack Trucks, Inc.
- Apr 18, 2014Crash risk2010 Mack Cxu, 2011–2015 Mack Pinnacle (cxu) — Exterior Lighting
Mack Trucks Inc. (Mack) is recalling certain model year 2010-2015 CXU trucks manufactured November 20, 2009, through January 27, 2014, and equipped with dual vertical exhaust pipes. The white conspicuity reflectors on the rear of the cab could be blocked by the exhaust pipes. As such, these vehicles do not conform to Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
14V205000 · 1K units · Mack Trucks, Inc.
- Mar 24, 2014Fire risk2010–2015 Mack Leu, 2011–2015 Mack Mru, 2014–2015 Mack Pinnacle (cxu) — Engine and Engine Cooling
Mack Trucks Inc. (Mack) is recalling certain model year 2014-2015 CXU, 2010-2015 LEU, and 2011-2015 MRU vehicles manufactured with certain Cummins Westport Model ISL G and ISX12 G engines. Condensation in the intake manifold may freeze during cold weather conditions and interfere with the proper operation of the intake manifold pressure sensor.
14V137000 · 2K units · Mack Trucks, Inc.
- Feb 21, 2014Fire risk2007–2015 Mack Chu, 2008–2010 Mack Cxu, 2012–2015 Mack Granite (gu) and 4 other models — Electrical System
Mack Trucks, Inc. (Mack) notified the agency on February 20, 2014, that they are recalling certain model year 2010-2012 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. While continuing to research the scope of the issue, Mack expanded the recall on November 18, 2014 to include certain model year 2008-2009 and 2013-2014 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. Having completed its investigation, Mack once again expanded the recall during February 2015 to include an additional 53,780 vehicles from model years 2007 and 2015. The recall now covers model year 2007-2015 includes CHU, CXU, GU and TD vehicles produced October 13, 2006, through October 3, 2014. In the affected vehicles, the Electronic Power Distribution Module (EPDM) may be contaminated from water leaks in, and around, the windshield. If exposed to water leaks, contaminants such as road salts may deposit on the EPDM.
14V078000 · 70K units · Mack Trucks, Inc.
- Feb 21, 2014Crash risk2010–2015 Mack Leu — Engine and Engine Cooling
Mack Trucks, Inc. (Mack) is recalling certain model year 2010-2015 LEU vehicles manufactured May 14, 2009, through February 14, 2014, and equipped with a Cummins ISL engine. In the affected vehicles, the exhaust pipe may disconnect from the muffler/catalyst.
14V088000 · 958 units · Mack Trucks, Inc.
- Dec 20, 2013Fire risk2014 Mack Pinnacle (cxu) — Engine and Engine Cooling
Mack Trucks, Inc. (Mack) is recalling certain model year 2014 CXU tractor trailers manufactured June 21, 2013, through October 4, 2013 and equipped with an automatic over-speed protection system. In the affected vehicles, the protection system, designed to monitor diesel engine speed and shutdown the engine should it rev excessively, may be wired incorrectly and may not operate as designed.
13V641000 · 35 units · Mack Trucks, Inc.
- Nov 29, 2013Crash risk2014 Mack Mru, 2014 Mack Pinnacle (cxu) — Seat Belts
Mack Trucks, Inc. (Mack) is recalling certain model year 2014 CXU and MRU trucks manufactured August 12, 2013, through October 9, 2013 and equipped with IMMI-brand L9 seat belt buckles. When the button is pressed to release the seat belt, the latch plate can become partially engaged with the buckle, making the seat belt difficult to unlatch. Thus, these vehicles fail to conform to the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 209, "Seat Belt Assemblies."
13V619000 · 39 units · Mack Trucks, Inc.
- Oct 17, 2013Crash risk2013–2014 Mack Chu, 2013–2014 Mack Granite (gu), 2013–2014 Mack Leu and 2 other models — Power Train
Mack Trucks is recalling certain model year 2013-2014 CHU, CXU, GU, LEU, and MRU vehicles manufactured with pro-torque axle spindle nuts from August 28, 2012, through August 16, 2013. The pro-torque nut may not have been installed correctly, which may result in a loosening of the nut.
13V492000 · 1K units · Mack Trucks, Inc.
- Oct 17, 2013Crash risk2014 Mack Granite (gu), 2014 Mack Pinnacle (cxu) — Steering
Mack Trucks is recalling certain model year 2014 CXU and GU model vehicles manufactured May 10, 2013, through June 12, 2013. The upper and lower steering shaft pinch bolts may have not been torqued to specification. This may cause the steering shaft to come loose.
13V493000 · 535 units · Mack Trucks, Inc.
- May 13, 2013Crash risk2013–2014 Mack Chu, 2013–2014 Mack Granite (gu), 2013–2014 Mack Leu and 2 other models — Service Brakes
Mack Trucks, Inc. is recalling certain model year 2013-2014 CHU, CXU, GU, MRU, and LEU trucks manufactured July 16, 2012, through march 18, 2013 and equipped with drum brakes. The clevis pin for the brake slack adjuster may be missing a cotter pin. If the cotter pin is not installed, the clevis pin may loosen and fall out causing a loss of brake function on the affected wheel.
13V195000 · 5K units · Mack Trucks, Inc.
- Apr 22, 2013Fire risk2011–2013 Mack Pinnacle (cxu) — Parking Brake
Mack Trucks, Inc. is recalling certain model year 2011-2013 CXU trucks manufactured November 23, 2010, through March 19, 2012. These vehicles are equipped with an MGM Type 24 J-series piston parking brake chamber. In the affected axles, the brake chambers may leak pressure allowing the parking brake to drag when it is supposed to be released. Brake dragging could lead to overheated brake components.
13V153000 · 331 units · Mack Trucks, Inc.
- Oct 18, 2012Fire risk2009 Mack GU, 2008–2009 Mack Leu, 2008–2009 Mack Mru — Electrical System
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.
12V519000 · 260 units · MACK TRUCKS, INC
- Sep 6, 2012Crash risk2007–2010 Mack Chu, 2007–2010 Mack Cxu — Exterior Lighting
Mack is recalling certain model year 2007-2010 CHU and CXU vehicles, manufactured from October 13, 2006, through December 23, 2009 and equipped with daytime running lights and fog lights. A short in the fog light circuit may cause the low beam headlight circuit to cut out.
12V434000 · 4K units · MACK TRUCKS, INC
- Jul 2, 2012Crash risk2012 Mack Granite (gu), 2012 Mack Pinnacle (chu), 2012 Mack Pinnacle (cxu) — Visibility
MACK IS RECALLING CERTAIN MODEL YEAR 2012 CHU, CXU, AND GU VEHICLES, MANUFACTURED FROM OCTOBER 10, 2011, THROUGH NOVEMBER 17, 2011. HARDWARE USED TO SECURE THE WINDSHIELD WIPER LINKAGE TO THE WIPER MOTOR MAY NOT BE SUFFICIENTLY TORQUED, AND MAY CAUSE THE WINDSHIELD WIPER LINKAGE TO DETACH FROM THE WIPER MOTOR. AS A RESULT, THE WINDSHIELD WIPERS WILL NOT FUNCTION.
12V308000 · 1K units · MACK TRUCKS, INC
- Mar 8, 2012Fire risk2010–2012 Mack Leu, 2011–2012 Mack Mru — Electrical System
MACK IS RECALLING CERTAIN MODEL YEAR 2010-2012 LEU AND MODEL YEAR 2011-2012 MRU VEHICLES, MANUFACTURED FROM MAY 14, 2009, THROUGH OCTOBER 31, 2011, AND BUILT TO OPERATE ON COMPRESSED NATURAL GAS. ON THESE VEHICLES THE ALTERNATOR GROUND CABLE RUNS DIRECTLY TO THE STARTER, WHICH DEFEATS THE CIRCUIT PROTECTION.
12V096000 · 318 units · MACK TRUCKS, INC
- Feb 21, 2012Crash risk2010–2011 Mack Leu, 2009–2011 Mack Mru — Suspension
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.
12V067000 · 4K units · MACK TRUCKS, INC
- Feb 1, 2012Fire risk2012–2013 Mack Granite (gu) — Service Brakes, Air
MACK IS RECALLING CERTAIN MODEL YEAR 2012-2013 GU, MANUFACTURED FROM DECEMBER 2, 2010, THROUGH JANUARY 18, 2012, AND EQUIPPED WITH BENDIX ATR-6 TRACTION RELAY VALVES. IN EXTREMELY COLD CONDITIONS, THESE BENDIX RELAY VALVES MAY POTENTIALLY DEVELOP INTERNAL LEAKAGE. INTERNAL LEAKAGE CAN LEAD TO AIR PRESSURE BEING DELIVERED TO AFFECTED PRIMARY OR SECONDARY BRAKE CAUSING CONTINUOUS BRAKE APPLICATION.
12V037000 · 2 units · MACK TRUCKS, INC
- Jan 20, 2012Crash risk2002–2005 Mack LE, 2002–2005 Mack MR — Suspension
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002-2005 MR AND LE HEAVY TRUCKS, MANUFACTURED FROM FEBRUARY 1, 2002, THROUGH DECEMBER 22, 2004. OVER TIME, THE VEHICLE S LOAD MAY RESULT IN FATIGUE CRACKS OF THE FRONT AXLE BEAM. THESE CRACKS CAN PROPAGATE AND RESULT IN COMPLETE FRACTURE OF THE AXLE BEAM.
12V017000 · 8K units · MACK TRUCKS, INC
- Sep 1, 2011Crash risk2011–2012 Mack Pinnacle (cxu) — Trailer Hitches
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2011-2012 CXU TRUCKS MANUFACTURED FROM MAY 1, 2010, THROUGH JANUARY 31, 2011. DURING THE COUPLING PROCESS, IT IS POSSIBLE FOR THE DRIVER TO PARTIALLY CLOSE THE FIFTH WHEEL LOCK AND IF SOLELY RELYING ON A TUG TEST (PULL TEST), THE DRIVER MAY THINK THAT THE FIFTH WHEEL LOCK IS PROPERLY COUPLED TO THE TRAILER KING PIN WHEN IN FACT IT IS NOT PROPERLY COUPLED.
11V461000 · 113 units · MACK TRUCKS, INC
- Jul 21, 2011Crash risk2010 Mack Chu, 2010 Mack Cxu, 2011 Mack Pinnacle (chu) and 1 other model — Power Train
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2010-2011 CHU, CXU AND GU HEAVY TRUCKS MANUFACTURED FROM JULY 12, 2010, THROUGH JULY 23, 2010 FOR A POTENTIALLY DEFECTIVE WELD ON THE SHAFT THAT THE CLUTCH PEDAL ATTACHES TO.
11V370000 · 475 units · MACK TRUCKS, INC
- Jul 20, 2011Crash risk2009–2012 Mack Mru — Steering
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.
11V374000 · 2K units · MACK TRUCKS, INC
- May 20, 2011Crash risk2012 Mack Granite (gu), 2012 Mack Leu, 2012 Mack Mru and 3 other models — Power Train
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2012, CHU, CXU, GU, MRU, LEU, AND TD TRUCKS EQUIPPED WITH A MERITOR DRIVELINE. THE TUBING USED TO ASSEMBLE THE AFFECTED DRIVELINES HAS A NONCONFORMING SEAM WELD WITH INSUFFICIENT BONDING OF THE MATERIAL.
11V295000 · 584 units · MACK TRUCKS, INC
- May 20, 2011Fire risk2008–2011 Mack GU — Electrical System
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2011 GU HEAVY TRUCKS MANUFACTURED FROM SEPTEMBER 12, 2007, THROUGH APRIL 8, 2011, WITH A FOUR BATTERY CABLE DESIGN. AS A RESULT OF THE ROUTING AND CLIPPING USED, THE BATTERY CABLES MAY COME INTO CONTACT WITH FRAME HARDWARE, WHICH, AS A RESULT OF CHAFING, MAY CAUSE THE INSULATION TO BECOME WORN TO A POINT WHERE A SHORT OCCURS.
11V292000 · 771 units · MACK TRUCKS, INC
- May 3, 2011Crash risk2012 Mack Granite (gu), 2011 Mack GU, 2011–2012 Mack Leu and 3 other models — Service Brakes, Air
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2011-2012 CHU, CXU, GU, LEU AND MRU TRUCKS MANUFACTURED FROM OCTOBER 15, 2010, THROUGH JANUARY 31, 2011, AND EQUIPPED WITH GUNITE AUTOMATIC SLACK ADJUSTERS. DUE TO AN INCOMPLETE "KNITTING" OF THE IRON AT THE TIME OF CASTING, INADEQUATE STRUCTURAL INTEGRITY OF THE SLACK ADJUSTER HOUSING CAN OCCUR, WHICH COULD CAUSE THE HOUSING TO BREAK AT THE HANDLE UNDER NORMAL OPERATING LOADS.
11V272000 · 2K units · MACK TRUCKS, INC
- Apr 1, 2011Fire risk2008–2012 Mack Leu, 2008–2012 Mack Mru — Electrical System
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.
11V212000 · 4K units · MACK TRUCKS, INC
- Mar 31, 2011Crash risk2009–2010 Mack Chu, 2009–2010 Mack Cxu, 2011 Mack Pinnacle (chu) and 1 other model — Trailer Hitches
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2011 CHU AND CXU HEAVY TRUCKS MANUFACTURED FROM JANUARY 2008 THROUGH JULY 2010. THERE MAY BE AN INTERFERENCE WITH THE BOLTS USED TO SECURE THE FIFTH WHEEL TO THE FRAME THAT CAN PREVENT THE BOLTS FROM BEING TORQUED TO SPECIFICATION.
11V209000 · 808 units · MACK TRUCKS, INC
- Oct 27, 2010Crash risk2010 Mack Cxu, 2011 Mack Pinnacle (cxu) — Electrical System
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2010 THROUGH 2011 CXU, HEAVY TRUCKS MANUFACTURED FROM AUGUST 12, 2009, THROUGH AUGUST 31, 2010. THE REAR HOLD-DOWN BRACKETS THAT SECURE THE BATTERY BOX LID MAY BE ROTATED TOO FAR FORWARD, WHICH MAY RESTRICT THE BATTERY BOX LID FROM PROPERLY SEATING.
10V536000 · 2K units · MACK TRUCKS, INC
- Oct 27, 2010Crash risk2011 Mack Pinnacle (chu), 2011 Mack Pinnacle (cxu) — Visibility
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2011 CHU AND CXU, HEAVY TRUCKS MANUFACTURED FROM JULY 13, 2010, THROUGH AUGUST 13, 2010, WITHOUT REAR MUD FLAP HANGER BRACKETS. THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE REAR CONSPICUITY TREATMENT TYPICALLY FOUND ON THE MUD FLAP HANGER BRACKETS MAY NOT HAVE BEEN INSTALLED IN THE ALTERNATE POSITIONS AS ALLOWED IN THE REGULATION ON VEHICLES MANUFACTURED WITHOUT REAR MUD FLAP HANGER BRACKETS.
10V537000 · 21 units · MACK TRUCKS, INC
- Sep 7, 2010Crash risk2008–2011 Mack GU, 2008–2011 Mack Mru — Service Brakes, Air
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."
10V404000 · 369 units · MACK TRUCKS, INC
- Mar 3, 2010Crash risk2002–2004 Mack CL, 2002–2004 Mack CV, 2003–2004 Mack DM and 4 other models — Power Train
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002 THROUGH 2004 CL, CV, LE, MR, RB, RD, AND MODEL YEAR 2003 THROUGH 2004 DM HEAVY TRUCKS MANUFACTURED FROM FEBRUARY 1, 2002 THROUGH SEPTEMBER 30, 2003, EQUIPPED WITH AXLE BEAMS MANUFACTURED BY BHARAT FORGE. THE AXLE BEAM MAY HAVE TRANSVERSE SHEAR LINES ON THE BOTTOM OF THE AXLE FROM THE TRIMMING PROCESS.
10V069000 · 15K units · MACK TRUCKS, INC
- Oct 6, 2009Crash risk2008–2010 Mack Leu — Service Brakes, Air
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2010 TRUCKS WHICH FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS."
09V395000 · 921 units · MACK TRUCKS, INC
- Jun 30, 2009Crash risk2004–2005 Mack CL, 2004–2005 Mack CV, 2004–2005 Mack DM and 4 other models — Power Train
MACK IS RECALLING 10,300 MODEL YEAR 2004 AND 2005 CL, CV, DM, LE, AND RB AND MODEL YEAR 2004 RD HEAVY TRUCKS MANUFACTURED FROM OCTOBER 1, 2003 THROUGH SEPTEMBER 30, 2004, EQUIPPED WITH AXLE BEAMS MANUFACTURED BY BHARAT FORGE. THE AXLE BEAM MAY HAVE TRANSVERSE SHEAR LINES ON THE BOTTOM OF THE AXLE FROM THE TRIMMING PROCESS.
09V240000 · 10K units · MACK TRUCKS, INC
- Jun 1, 2009Crash risk2009 Mack Leu, 2009 Mack Mru — Service Brakes, Air
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.
09V194000 · 338 units · MACK TRUCKS, INC
- Dec 23, 2008Crash risk1999–2005 Mack CX, 2004–2008 Mack CXN — Exterior Lighting
MACK IS RECALLING 34,269 MY 1999-2005 CX AND MY 2004-2008 CXN TRUCKS. THE HEADLIGHT SWITCH MAY PREMATURELY FAIL RESULTING IN INOPERATIVE OR INTERMITTENT HEADLIGHTS.
08V688000 · 34K units · MACK TRUCKS, INC
- Jul 23, 2008Crash risk2009 Mack GU — Exterior Lighting
MACK IS RECALLING CERTAIN MY 2009 TRUCKS EQUIPPED WITH HELLA HEADLAMPS FOR FAILING TO COMPLY WITH THE PHOTOMETRIC OUTPUT REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE HEADLAMP'S BULB SHIELD MAY NOT HAVE BEEN COMPLETELY SEATED INTO THE HEADLAMP'S REFLECTOR.
08V331000 · 265 units · MACK TRUCKS, INC
- Apr 17, 2008Crash risk2009 Mack GU — Parking Brake
MACK IS RECALLING 66 MY 2009 GU TRUCKS EQUIPPED WITH BENDIX MV-3 DASH CONTROL VALVES. THE MOLDED VALVE BODY HAS AN INCORRECT CORE PIN IN THE INJECTION MOLD CAUSING THE VALVE BODY TO BE OVERSIZED IN THE DOUBLE CHECK VALVE AREA. THIS CONDITION CAN ALLOW THE RUBBER DOUBLE CHECK VALVE TO BECOME LODGED IN THE BODY OPENING UNDER CERTAIN CIRCUMSTANCES.
08V177000 · 66 units · MACK TRUCKS, INC
- Mar 26, 2008Crash risk2006–2007 Mack MR — Service Brakes, Air
MACK IS RECALLING 218 MY 2006-2007 MR TRUCKS. A CHECK VALVE WAS OMITTED FROM THE SECONDARY SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE.
08V144000 · 218 units · MACK TRUCKS, INC
- Dec 14, 2007Crash risk2008 Mack Leu — Vehicle Speed Control
ON CERTAIN TRUCKS, AN INCORRECT SWITCH MAY HAVE BEEN USED.
07V581000 · 126 units · MACK TRUCKS, INC
- Nov 19, 2007Crash risk2008 Mack Chu, 2008 Mack CXN, 2008 Mack Cxu — Steering
ON CERTAIN TRUCKS, THE BOLTS THAT ATTACH THE STEERING GEAR TO THE FRAME MAY NOT HAVE BEEN TIGHTENED TO THE SPECIFIED TORQUE.
07V531000 · 1K units · MACK TRUCKS, INC
- Oct 23, 2007Crash risk2006–2008 Mack CHN, 2006–2008 Mack CL, 2006–2008 Mack CT and 5 other models — Trailer Hitches
ON CERTAIN TRUCKS EQUIPPED WITH A SAF HOLLAND SIMPLEX FIFTH WHEEL, THE LEVER ARM PIVOT BOLT MAY HAVE BEEN OVER TIGHTENED. AN OVER TIGHTENED PIVOT BOLT CAN DISTORT THE PIVOT BOLT SPACER SLEEVE, WHICH MAY PREVENT THE FIFTH WHEEL LATCH JAW FROM CLOSING AND LATCHING SECURELY AROUND THE TRAILER KING PIN.
07V497000 · 950 units · MACK TRUCKS, INC
- Oct 11, 2007Fire risk2008 Mack Chu, 2008 Mack Cxu, 2008 Mack GU and 2 other models — Exterior Lighting
ON CERTAIN TRUCKS, THE DAYTIME RUNNING LIGHTS (DRL) MODULE MAY CONTAIN A SUSPECT METAL-OXIDE-SEMICONDUCTOR FIELD EFFECT TRANSISTOR (MOSFET) THAT COULD OVERHEAT.
07V478000 · 61 units · MACK TRUCKS, INC
- Sep 5, 2007Fire risk2002–2007 Mack CH, 2002–2007 Mack CHN, 2002–2007 Mack CX and 1 other model — Fuel System, Diesel
ON CERTAIN TRUCKS EQUIPPED WITH ASET AC MODEL ENGINES, THE ENGINE AS CONFIGURED WITH AN EXTERNAL EXHAUST GAS RECIRCULATION SYSTEM MAKES SERVICING THE FUEL INJECTION LINES DIFFICULT WHEN USING TRADITIONAL TOOLS. THEREFORE, IT IS POSSIBLE FOR FUEL LEAKS TO DEVELOP WHEN REMOVING AND INSTALLING THE FUEL INJECTION LINES.
07V401000 · 36K units · MACK TRUCKS, INC
- Aug 15, 2007Crash risk2006–2007 Mack CHN, 2008 Mack Chu, 2006–2008 Mack CTP and 6 other models — Parking Brake
ON CERTAIN TRUCKS EQUIPPED WITH BENDIX SR-7 SPRING BRAKE MODULATING VALVES, THE INTERNAL RUBBER CHECK VALVE MAY LEAK CAUSING A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER THE OPERATOR PULLS THE DASH VALVE BUTTON.
07V360000 · 19K units · MACK TRUCKS, INC
- Aug 15, 2007Safety2005–2007 Mack CHN, 2008 Mack Chu, 2006 Mack CTP and 4 other models — Service Brakes, Air
ON CERTAIN TRUCKS EQUIPPED WITH PARKER SINGLE CHECK VALVES (SCV) PROVIDED BY BENDIX. THE DEFECT EXISTS IN THE PARKER SCV THAT CONNECTS WITH THE SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE. AFTER PROLONGED USE OF THE PARKER SCV, THE VALVE BODY RETAINER MAY BECOME EXCESSIVELY WORN AND EVENTUALLY BREAK APART. PIECES OF THE PARKER SCV CAN BECOME LODGED INSIDE THE SR-7 SPRING BRAKE MODULATING VALVE, POTENTIALLY CAUSING EITHER LEAKAGE OUT OF THE SR-7 VALVE OR PREVENTING AIR FROM PROPERLY EXHAUSTING FROM THE SR-7 VALVE.
07V361000 · 22K units · MACK TRUCKS, INC
- Aug 7, 2007Fire risk2008 Mack Chu, 2007 Mack CXN, 2007 Mack CXP — Fuel System, Diesel
ON CERTAIN TRUCKS, AN UNPROTECTED LEAD IN THE THERMOSWITCH OF THE HEATER MAY MAKE CONTACT WITH ANOTHER POST POSSIBLY CREATING A SHORT CIRCUIT, WHICH CAN RESULT IN CONTINUOUS OPERATION OF THE HEATING ELEMENT.
07V346000 · 121 units · MACK TRUCKS, INC
- Jul 24, 2007Crash risk2008 Mack Chu, 2008 Mack GU — Steering
ON CERTAIN TRUCKS, THE NUT USED TO RETAIN THE STEERING SHAFT MAY OR MAY NOT BE A LOCK NUT THAT HAS THE LOCKING FEATURE. A LOCK NUT IS REQUIRED TO PROVIDE ADDITIONAL RESISTANCE TO ENSURE THAT THE NUT DOES NOT COME LOOSE.
07V322000 · 1K units · MACK TRUCKS, INC
- Apr 13, 2007Fire risk2007 Mack CH, 2007 Mack CHN, 2007 Mack CX and 1 other model — Fuel System, Diesel
CERTAIN TRUCKS WERE RECALLED FOR THE INSTALLATION OF SLEEVES ON THE FUEL INJECTION LINE AS REQUIRED BY SAFETY RECALL SC0317 (NHTSA RECALL NO. 06V392). THERE IS A POSSIBILITY THAT THE NEW SLEEVES MAY CHAFE THE FUEL INJECTION LINE.
07V159000 · 9K units · MACK TRUCKS, INC