Mack Chu recalls
Every NHTSA recall campaign filed since 2000 that names the Mack Chu, 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
- Nov 18, 2014Crash risk2015 Mack Chu, 2015 Mack Pinnacle (cxu) — Steering
Mack Trucks, Inc. (Mack) is recalling certain model year 2015 CHU and CXU trucks manufactured from March 31, 2014, through June 26, 2014. In the affected vehicles, the collars that prevent the ball sockets from backing out of the tie rod may have been incorrectly positioned. This may allow the ball sockets to come loose.
14V737000 · 1K units · Mack Trucks, Inc.
- Sep 11, 2014Crash risk2015 Mack Chu, 2015 Mack Granite (gu), 2015 Mack Pinnacle (cxu) — Seat Belts
Mack Trucks, Inc. (Mack) is recalling certain 2015 CHU, CXU, and GU trucks manufactured June 4, 2014, through June 18, 2014. In the affected vehicles, the bolts that attach the seat belt to the seat frame may not have been torqued to the required specification. This could cause the bolts to loosen over time, allowing the seat belt to detach.
14V553000 · 381 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 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.
- 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.
- 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.
- 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.
- 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 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
- 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
- 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 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
- 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
- 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