2004 Mack CHN recalls
7 NHTSA recall campaigns naming the 2004 Mack CHN. Last verified Jul 30, 2026. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Units are totals reported across campaigns mentioning this model — NHTSA does not always break unit counts down by model.
Affected components
Nearby model years
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 →Campaigns
- 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
- 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
- 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
- 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
- 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