Mack CHN recalls
Every NHTSA recall campaign filed since 2000 that names the Mack CHN, newest first. Last verified Jul 30, 2026.
Units are totals reported across campaigns mentioning this model — NHTSA does not always break unit counts down by model.
Affected components
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →All campaigns
- 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
- 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
- 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
- Mar 21, 2007Crash risk2007 Mack CHN, 2007 Mack CXN, 2007 Mack CXP — Power Train
ON CERTAIN TRUCKS, THE AXLE HOUSINGS MAY HAVE BEEN MANUFACTURED WITH STEEL THAT WAS OUT OF SPECIFICATION WHICH COULD RESULT IN A FATIGUE FAILURE OVER TIME.
07V123000 · 51 units · MACK TRUCKS, INC
- Feb 1, 2007Crash risk2007 Mack CHN, 2007 Mack Chu, 2007 Mack CXN and 2 other models — Steering
ON CERTAIN TRUCKS, THE NUT THAT RETAINS THE STEERING WHEEL MAY NOT HAVE BEEN INSTALLED.
07V023000 · 2K units · MACK TRUCKS, INC
- Oct 13, 2006Fire risk2003–2007 Mack CH, 2003–2007 Mack CHN, 2003–2007 Mack CX and 1 other model — Fuel System, Diesel
ON CERTAIN TRUCKS, A LEAK IN THE ASET AC FUEL INJECTION LINE MAY SPRAY FUEL ON THE EXHAUST GAS RECIRCULATION PIPES THAT CARRY HOT EXHAUST GASES .
06V392000 · 40K units · MACK TRUCKS, INC
- Sep 26, 2006Fire risk2007 Mack CHN, 2007 Mack CXN, 2007 Mack CXP — Service Brakes, Air
ON CERTAIN TRUCKS, THE BRAKE CAM TUBES ON THE STEER AND DRIVE AXLES MAY NOT HAVE BEEN GREASED.
06V367000 · 1K units · MACK TRUCKS, INC
- Aug 3, 2006Crash risk2004–2007 Mack CHN, 2004–2007 Mack CXN — Fuel System, Diesel
ON CERTAIN TRUCKS, THE FUEL LINE CROSSOVER BRACKET MAY PREMATURELY FAIL AND UNEXPECTEDLY FALL TO THE ROAD. THE LOCATION AND SIZE OF THE BRACKET DRAWS A CONCERN TO THE BRACKET BEING PICKED UP AND THROWN BY THE DRIVE AXLE WHEELS.
06V290000 · 342 units · MACK TRUCKS, INC
- Jul 26, 2006Crash risk2007 Mack CHN, 2007 Mack CL, 2007 Mack CT and 2 other models — Service Brakes, Air
ON CERTAIN TRUCKS EQUIPPED WITH A LEGRIS AIR MANIFOLD, THE BRASS PUSH-TO-CONNECT CARTRIDGE MAY UNEXPECTEDLY SEPARATE FROM THE PLASTIC HOUSING.
06V271000 · 7K units · MACK TRUCKS, INC
- Jun 28, 2006Crash risk2007 Mack CHN, 2007 Mack CT, 2007 Mack CTP and 4 other models — Parking Brake
ON CERTAIN TRUCKS EQUIPPED WITH SR-7 BENDIX BRAKE VALVES, THE CHECK VALVE INSIDE THE VALVE CAVITY MAY NOT PROPERLY SET, CAUSING INTERNAL AIR LEAKAGE. IF THE CHECK VALVE DOES NOT PROPERLY SEAT, THE RESULTING LEAKAGE CAN CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER OPERATOR PULLS THE DASH VALVE BUTTON.
06V232000 · 3K units · MACK TRUCKS, INC
- Oct 4, 2005Crash risk2006 Mack CHN — Power Train
ON CERTAIN TRUCKS EQUIPPED WITH ARVINMERITOR SERIES 145 AND 160 REAR DRIVE AXLES. SOME OF THE SPINDLES WERE OVERHEATED DURING THE HEAT TREAT PROCESS WHICH COULD RESULT IN A FRACTURE OF THE SPINDLE.
05V454000 · 2 units · MACK TRUCKS, INC
- Sep 26, 2005Fire risk2006 Mack CHN, 2006 Mack CXN — Service Brakes, Air
ON CERTAIN VEHICLES, THE BRAKE CAM TUBES ON THE STEER AND DRIVE AXLES MAY NOT HAVE BEEN GREASED.
05V442000 · 1K units · MACK TRUCKS, INC
- Sep 26, 2005Fire risk2005–2006 Mack CHN, 2004–2006 Mack CXN — Service Brakes, Air
ON CERTAIN VEHICLES, THE BRAKE CAM TUBES ON THE STEER AXLE MAY NOT HAVE BEEN GREASED.
05V438000 · 3K units · MACK TRUCKS, INC
- Sep 26, 2005Fire risk2004–2006 Mack CHN, 2004–2006 Mack CXN — Service Brakes, Air
ON CERTAIN VEHICLES. THE BRAKE CAM TUBES ON THE DRIVE AXLE MAY NOT HAVE BEEN GREASED.
05V439000 · 3K units · MACK TRUCKS, INC
- Sep 26, 2005Fire risk2005–2006 Mack CHN, 2004–2006 Mack CXN — Service Brakes, Air
ON CERTAIN VEHICLES, THE BRAKE CAM TUBES ON THE STEER AND DRIVE AXLES MAY NOT HAVE BEEN GREASED.
05V441000 · 1K units · MACK TRUCKS, INC
- Jul 7, 2005Crash risk2005–2006 Mack CHN — Power Train
ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH FXL AXLES, THERE IS A POTENTIAL THAT THE DRAGLINK MAY CONTACT THE BRAKE SLACK ADJUSTER DURING FULL WHEEL CUT AND ARTICULATION OF THE CHASSIS.
05V313000 · 320 units · MACK TRUCKS, INC
- Apr 22, 2005Crash risk2006 Mack CHN, 2006 Mack CXN — Wheels
ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH ACCURIDE ALUMINUM WHEELS, THE WHEELS WERE NOT PROPERLY PRE-STRESSED. THIS ALLOWS CRACKS TO DEVELOP OVER TIME.
05V184000 · 58 units · MACK TRUCKS, INC
- Mar 24, 2005Crash risk2004–2005 Mack CHN, 2004–2005 Mack CXN — Power Train
ON CERTAIN TRUCKS EQUIPPED WITH THE FXL AXLE AND MERITOR 16.5 X 5 BRAKES WITH DUST SHIELDS, THERE MAY BE INTERFERENCE BETWEEN THE DUST SHIELD MOUNTING BOLT AND THE KNUCKLE ON THE FRONT AXLE. AS A RESULT OF THE INTERFERENCE, THE BOLT JOINT BETWEEN THE WHEEL END AND THE KNUCKLE MAY NOT MEET THE TORQUE REQUIREMENTS.
05V111000 · 39 units · MACK TRUCKS, INC
- Mar 24, 2005Crash risk2004 Mack CHN, 2004 Mack CXN — Service Brakes, Air
ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH AIR SUSPENSION PROPRIETARY AXLES AND ADJUSTABLE LENGH TORQUE RODS, AN INTERFERENCE BETWEEN THE ADJUSTABLE TORQUE ROD AND THE BRAKE CHAMBER ON THE LEFT SIDE OF THE CHASSIS MAY EXIST. THE SPRING BRAKE CHAMBER CLAMP RING COULD POSSIBLY BE DISTORTED OVER TIME RESULTING IN LOSS OF AIR, WHICH COULD LEAD TO THE SPRING BRAKE AT THE CHAMBER BEING INADVERTENTLY APPLIED.
05V112000 · 291 units · MACK TRUCKS, INC
- Jan 14, 2005Fire risk2002–2005 Mack CH, 2002–2005 Mack CHN, 2002–2005 Mack CX and 1 other model — Fuel System, Gasoline
ON CERTAIN HEAVY DUTY CLASS 8 DIESEL TRUCKS EQUIPPED WITH ASET AC ENGINES, THE LOCATION OF THE FUEL INLET HOSE MAY RESULT IN OVERHEATING OR ABRASION OF THE HOSE, WHICH MAY LEAD TO A PREMATURE FAILURE.
05V015000 · 13K units · MACK TRUCKS, INC