NHTSA vehicle safety data

2004 Freightliner Business Class M2 Recalls & Complaints

The 2004 Freightliner Business Class M2 has 10 NHTSA recall campaigns and 8 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Freightliner dealer.

NHTSA recall and complaint data for the 2004 Freightliner Business Class M2. Recall data is refreshed daily from NHTSA.

2004 Freightliner Business Class M2 owner complaints

Owners have filed 8 complaints with NHTSA about the 2004 Freightliner Business Class M2, describing incidents dated March 6, 2004 to September 30, 2016.

Most-cited components

  • Service Brakes 2 complaints
  • Suspension 2 complaints
  • Engine 1 complaint
  • Fuel/Propulsion System 1 complaint
  • Parking Brake 1 complaint
  • Wheels 1 complaint

Of the 8 complaints on file, 1 reports a crash and 1 a fire (owner-reported, not verified by NHTSA).

Newest complaints

  • ODI #10910910 · Filed

    JUST BOUGHT THIS TRUCK FROM HUBBARD TRAILERS, IN ARIZONA, WITH A RECEIPT FROM HAVING BOTH REAR BRAKES REDONE. DROVE IT HOME THEN TOOK IT TO THE LOCAL FL DEALERSHIP (NAMPA, ID) TO GET AN OFFICIAL INSPECTION. ON INSPECTION THE ABS AND BRAKE LIGHTS WERE ON. WORK WAS DONE, AND I WAS TOLD EVERYTHING WAS…

  • ODI #10511212 · Filed

    M2 106 MODEL STARTED PRESENTING MAJOR OIL LEAK ONE MONTH AGO. REPLACED OIL PAN GASKET, BUT DIDN'T CORRECT PROBLEM. AFTER MECHANIC VERIFICATION, IT TURNS OUT IT IS THE FRONT CRANKSHAFT OIL SEAL. MECHANIC STATED HE HAS SEEN QUITE A FEW FREIGHT MODELS EQUIPPED WITH THE CAT3126 WITH OIL LEAK PROBLEMS…

  • ODI #10511210 · Filed

    DRIVING AT 60MPH HIGHWAY LIMIT. WITHOUT WARNING OR VIBRATION, FRONT PASSENGER WHEEL BEARING BROKE OFF, SENDING THE TIRE/WHEEL FLYING OFF THE HIGHWAY HILL, DOWN THE ACCESS ROAD, AND SMASHING AGAINST A BANK STONE WALL, AFTER IT BROKE THROUGH A 2ND STAND ALONE STONE WALL. LUCKY WE COULD STOP THE TRUCK…

Read all 8 complaints

NHTSA defect investigations

NHTSA's investigations file lists the 2004 Freightliner Business Class M2 in 1 investigation. A listed model year means only that an investigation names it; it says nothing about any particular vehicle. An open investigation is not a finding that a safety defect exists, and NHTSA can close one without a recall.

Open and recently closed NHTSA defect investigations

DIESEL FUEL LEAK/DETROIT DIESEL

NHTSA #11V478000 · Fuel System, Diesel · NHTSA notice

Reported September 16, 2011 · DAIMLER TRUCKS NORTH AMERICA

Potentially affected: 73,500 vehicles

Manufacturer campaign 11C-2 · Owners notified February 21, 2012 · Vehicles built starting July 11, 2003 (per NHTSA)

Defect description

DAIMLER TRUCKS IS RECALLING CERTAIN MODEL YEAR 2004 THROUGH 2008 HEAVY TRUCKS MANUFACTURED FROM JULY 11, 2003, THROUGH SEPTEMBER 28, 2007, EQUIPPED WITH EPA04 MODEL MBE4000 ENGINES BUILT WITH PLASTIC LOW PRESSURE FUEL LINES AND FUEL FILTERS MOUNTED NEAR THE CENTER OF THE ENGINE ON THE LEFT-HAND SIDE. THE PLASTIC LOW PRESSURE FUEL LINE BETWEEN ENGINE MOUNTED FUEL FILTER AND ENGINE BLOCK MAY DEVELOP A SUBSTANTIAL DIESEL FUEL LEAK.

Safety consequence

THIS COULD CREATE A ROAD HAZARD INCREASING THE RISK OF A CRASH. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Manufacturer remedy

DAIMLER TRUCKS WILL NOTIFY OWNERS AND THE REMEDY WILL BE PERFORMED BY DETROIT DIESEL CORPORATION AUTHORIZED REPAIR FACILITIES. VEHICLES WILL BE INSPECTED AND THE PLASTIC LOW PRESSURE FUEL LINE WILL BE REPLACED WITH A STEEL LOW PRESSURE FUEL LINE. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. AN INTERIM LETTER WAS MAILED TO OWNERS ON OCTOBER 28, 2011. THE SAFETY RECALL BEGAN ON FEBRUARY 21, 2012. OWNERS MAY CONTACT DAIMLER TRUCKS AT 1-800-547-0712.

Notes

DAIMLER TRUCKS' CAMPAIGN NUMBER IS 11C-2.OWNERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO <A HREF=HTTP://WWW.SAFERCAR.GOV>HTTP://WWW.SAFERCAR.GOV</A> .

FRACTURED FUEL LINES OR TRANSFER TUBES/FIRE

NHTSA #08V668000 · Fuel System, Other — Delivery — Hoses, Lines/Piping, and Fittings · NHTSA notice

Reported December 17, 2008 · DAIMLER TRUCKS NORTH AMERICA

Potentially affected: 24,650 vehicles

Manufacturer campaign FL-542 · Owners notified March 9, 2009 · Vehicles built March 9, 2004 – August 18, 2006 (per NHTSA)

Defect description

DAIMLER TRUCKS NORTH AMERICA (DTNA) IS RECALLING 24,650 SCHOOL AND NON-SCHOOL BUSES, MOTOR HOME CHASSIS, AND TRUCKS MANUFACTURED FROM MARCH 9, 2004 THROUGH AUGUST 18, 2006, EQUIPPED WITH EPA04 CERTIFIED MBE900 ENGINES, MANUFACTURED BY DETROIT DIESEL BETWEEN MARCH 1, 2004, AND JULY 31, 2006. THE HIGH PRESSURE FUEL LINES AND TRANSFER TUBES MAY FATIGUE AND FRACTURE.

Safety consequence

A FRACTURED FUEL LINE MAY LEAK DIESEL FUEL POSSIBLY RESULTING IN A FIRE OR FUEL MAY BE SPILLED ON THE ROAD CAUSING A SLIPPERY SURFACE, POSSIBLY RESULTING IN A VEHICLE CRASH.

Manufacturer remedy

DETROIT DIESEL WILL NOTIFY OWNERS AND THE VEHICLES WILL BE REPAIRED WITH MORE ROBUST LINES AND VIBRATION DAMPERS FREE OF CHARGE. REPAIRS WILL BE PERFORMED BY AUTHORIZED DETROIT DIESEL DISTRIBUTORSHIPS. THE RECALL BEGAN ON MARCH 9, 2009. OWNERS MAY CONTACT DETROIT DIESEL 1-313-592-3708 OR DTNA TOLL-FREE AT 1-800-547-0712 FOR MORE INFORMATION.

Notes

DTNA'S RECALL NO. FL-452.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO <A HREF=HTTP://WWW.SAFERCAR.GOV>HTTP://WWW.SAFERCAR.GOV</A> .

8K THIN SPINDLE-NUT/ARVINMERITOR/AXLE ALLIANCE

NHTSA #08V137000 · Power Train — Axle Assembly · NHTSA notice

Reported March 25, 2008 · DAIMLER TRUCKS NORTH AMERICA

Potentially affected: 28,764 vehicles

Manufacturer campaign FL-527 · Owners notified January 8, 2009 · Vehicles built January 26, 2000 – March 24, 2008 (per NHTSA) · Recall influenced by NHTSA's Office of Defects Investigation

Defect description

DAIMLER TRUCKS IS RECALLING 28,764 MY 2001 THROUGH 2008 FCCC B2 AND FS65 SCHOOL BUS CHASSIS, FCCC FB65 CONVENTIONAL BUSES, AND STERLING ACTERRA, FREIGHTLINER FLN, AND BUSINESS CLASS M2 HEAVY TRUCKS, BUILT FROM JANUARY 26, 2000, THROUGH MARCH 24, 2008, MANUFACTURED WITH ARVINMERITOR OR AXLE ALLIANCE COMPANY 6,000 THROUGH 8,000 POUND FRONT AXLES UTILIZING A FOUR PIECE SPINDLE-NUT SET. THESE AXLE ASSEMBLIES MAY HAVE BEEN PRODUCED WITH A THIN SPINDLE NUT WHICH MAY LEAD TO INCORRECT END PLAY, CONE SPIN, EXCESSIVE HEAT, DEGRADATION OF LUBRICATION, WEAR OF THE SPINDLE NUT AND BEARING JOURNAL, OIL CONTAMINATION WITH METAL SHAVINGS, AND PREMATURE BEARING FAILURE.

Safety consequence

CONTINUED OPERATION MAY LEAD TO WHEEL SEPARATION AND POSSIBLY A VEHICLE CRASH.

Manufacturer remedy

DAIMLER TRUCKS WILL NOTIFY OWNERS AND WILL REPAIR THE VEHICLES FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 8, 2009. OWNERS MAY CONTACT DAIMLER TRUCKS AT 1-800-547-0712.

Notes

DAIMLER TRUCKS RECALL NO. FL-527.CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY: 1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV.

SR-7 SPRING BRAKE VALVE ASSEMBLY/BENDIX/PARKER

NHTSA #07V302000 · Service Brakes, Air — Supply — Check Valve · NHTSA notice

Reported July 16, 2007 · FREIGHTLINER LLC

Potentially affected: 75,000 vehicles

Freightliner campaign FL-504 · Owners notified January 11, 2008 · Vehicles built July 1, 2002 – July 3, 2007 (per NHTSA)

Defect description

CERTAIN FREIGHTLINER SCHOOL BUS CHASSIS, HEAVY TRUCKS, AND THOMAS BUILT SCHOOL BUSES MANUFACTURED BETWEEN JULY 2002 AND JULY 3, 2007, EQUIPPED WITH BENDIX SR-7 SPRING BRAKE CONTROL VALVES. THE PARKER SCV BRASS 90 DEGREE SINGLE CHECK VALVES (SCV) WHICH ATTACH TO THE SUPPLY PORT OF A BENDIX SR-7 SPRING BRAKE MODULATING VALVE CAN 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. ALSO, DUE TO A MANUFACTURING DEFECT IN THE INTERNAL RUBBER CHECK VALVE INSIDE THE SR-7 SPRING BRAKE MODULATING VALVES, THE VALVES CAN BECOME DEFORMED AND NOT SEAT PROPERLY.

Safety consequence

THESE CONDITIONS COULD EITHER RESULT IN LEAKAGE AND CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKE WITHOUT WARNING OR POSSIBLY LEAD TO UNINTENDED VEHICLE ROLLAWAY OR BRAKE DRAG WHICH COULD RESULT IN A VEHICLE CRASH, PERSONAL INJURY, OR DEATH.

Manufacturer remedy

FREIGHTLINER WILL NOTIFY OWNERS AND REPAIR THE VEHICLES FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 11, 2008 TO FREIGHTLINER, STERLING, AND FREIGHTLINER CUSTOM CHASSIS OWNERS; TO THOMAS BUILT BUS OWNERS ON FEBRUARY 1, 2008. OWNERS CAN CONTACT FREIGHTLINER AT 1-800-547-0712.

Notes

FREIGHTLINER RECALL NO. FL-504.CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY: 1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV.

PARK BRAKE ANCHOR BOLT/BOSCH

NHTSA #05V468000 · Parking Brake · NHTSA notice

Reported October 5, 2005 · FREIGHTLINER LLC

Potentially affected: 3,850 vehicles

Freightliner campaign FL-461 · Owners notified March 7, 2006 · Vehicles built June 1, 2004 – March 31, 2005 (per NHTSA)

Defect description

CERTAIN 2004 AND 2005 THOMAS BUILT C2 SCHOOL BUSES AND FREIGHTLINER BUSINESS CLASS M2 HEAVY TRUCKS MANUFACTURED BETWEEN JUNE 2004 AND MARCH 2005. THE ANCHOR/PIVOT BOLT SUPPLIED WITH THE PARK BRAKE IS DEFECTIVE AND COULD FATIGUE FRACTURE PREMATURELY, RESULTING IN THE PARK BRAKE FAILING TO APPLY.

Safety consequence

IF THE PARK BRAKE ANCHOR BOLT FATIGUES AND ULTIMATELY FRACTURES, THE PARK BRAKE MAY NOT FUNCTION AND THERE MAY BE NO INDICATION TO THE DRIVER OF THE MALFUNCTION WHEN THE PARK BRAKE IS SET. THIS MAY CAUSE THE VEHICLE TO ROLL AWAY WITHOUT WARNING, WHICH COULD RESULT IN A CRASH.

Manufacturer remedy

FREIGHTLINER WILL NOTIFY ITS OWNERS AND INSPECT AND REPLACE DEFECTIVE ANCHOR BOLTS FREE OF CHARGE. THE RECALL BEGAN ON MARCH 7, 2006. OWNERS MAY CONTACT FREIGHTLINER AT 1-800-547-0712.

Notes

FREIGHTLINER RECALL NO. FL-461.CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236; (TTY:1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV.

FAN BLADE FRACTURE

NHTSA #05V393000 · Engine and Engine Cooling — Cooling System — Fan · NHTSA notice

Reported September 6, 2005 · FREIGHTLINER LLC

Potentially affected: 1,395 vehicles

Freightliner campaign FL-458 · Owners notified January 6, 2006

Defect description

CERTAIN MY 2004 FREIGHTLINER BUSINESS CLASS M2 AND THOMAS BUILT SAF-T-LINER C2 SCHOOL BUSES MANUFACTURED BETWEEN JULY 26 AND OCTOBER 29, 2004, EQUIPPED WITH A CATERPILLAR C-7 ENGINE AND BORG-WARNER KYS 4735 35480 55 ENGINE FAN. THE FAN SHROUD MAY BE DRAWN BACK INTO THE FAN AT HIGH ENGINE SPEEDS WHEN THE FAN CLUTCH ENGAGES. DUE TO REDUCED CLEARANCE, HEAVY CONTACT BETWEEN THE FAN AND THE SHROUD MAY CAUSE THE FAN BLADE TO FRACTURE.

Safety consequence

THE FAN MAY FRACTURE AND PIECES MAY SEPARATE FROM THE FAN BLADE. IN CERTAIN CONDITIONS, THIS MAY PRESENT A HAZARD TO PEOPLE NEAR THE VEHICLE WITH THE HOOD OPEN AND THE ENGINE RUNNING.

Manufacturer remedy

FREIGHTLINER WILL NOTIFY ITS CUSTOMERS AND REPLACE THE ENGINE FAN WITH A FAN THAT HAS A DIFFERENT MOUNTING OFFSET FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN ON JANUARY 16, 2006. OWNERS MAY CONTACT FREIGHTLINER AT 1-800-547-0712.

Notes

FREIGHTLINER RECALL NO. FL-458.CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236; (TTY:1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV.

ENGINE COOLING FAN/BORG WARNER

NHTSA #05V126000 · Engine and Engine Cooling — Cooling System — Fan · NHTSA notice

Reported March 30, 2005 · FREIGHTLINER LLC

Potentially affected: 3,568 vehicles

Freightliner campaign FL-439 · Owners notified June 8, 2005 · Vehicles built January 1, 2001 – December 31, 2004 (per NHTSA)

Defect description

ON CERTAIN TRUCKS AND FIRE TRUCKS EQUIPPED WITH KYS 4735-43782-02 ENGINE COOLING FANS AND BUILT ON CATERPILLAR 3126, C7, MBE906, MBE926, OR CUMMINS ISC ENGINES, THE STEEL FAN INSERT ON THE COOLING FANS CAN CRACK.

Safety consequence

THIS CAN RESULT IN FAN BREAKAGE, RESULTING IN VEHICLE DAMAGE OR PERSONAL INJURY.

Manufacturer remedy

DEALERS WILL REPLACE THE ENGINE COOLING FAN FREE OF CHARGE. THE RECALL BEGAN ON JUNE 8, 2005. OWNERS MAY CONTACT FREIGHTLINER AT 1-800-547-0712.

Notes

FREIGHTLINER RECALL NO. FL-439.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.

MICHELIN/RAPID AIR LOSS

NHTSA #04T023000 · Tires · NHTSA notice

Reported December 22, 2004 · MICHELIN NORTH AMERICA, INC.

Potentially affected: 4,000 vehicles

Owners notified December 27, 2004

Defect description

CERTAIN MICHELIN XDE COMMERCIAL TRUCK TIRES, SIZE 10R22.5 LRG AND LRF FOR USE ON FREIGHTLINER SCHOOL AND TRANSIT BUSES. THESE TIRES WERE MANFACTURED BETWEEN MAY 23 AND OCTOBER 24, 2004, CAN EXPERIENCE RAPID AIR LOSS DUE TO AN IRREGULARITY OF THE INNER LINER.

Safety consequence

RAPID AIR LOSS CAN RESULT IN LOSS OF VEHICLE CONTROL AND A VEHICLE CRASH CAN OCCUR.

Manufacturer remedy

MICHELIN WILL NOTIFY ITS CUSTOMERS AND REPLACE THE TIRES FREE OF CHARGE. THE RECALL BEGAN DECEMBER 27, 2004. OWNERS WHO DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT MICHELIN AT 888-622-2306.

Notes

ALSO, CUSTOMERS CAN CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

FREIGHTLINER\AMU SOLENOID VALVE

NHTSA #04V220000 · Service Brakes, Air — Supply — Check Valve · NHTSA notice

Reported May 6, 2004 · FREIGHTLINER LLC

Potentially affected: 1,700 vehicles

Freightliner campaign FL-423 · Owners notified June 29, 2004 · Vehicles built October 7, 2003 – February 16, 2004 (per NHTSA)

Defect description

ON CERTAIN TRUCKS, INCORRECT SPRINGS WERE INSTALLED IN THE EXHAUST PORT OF CERTAIN AIR MANAGEMENT UNIT (AMU) SOLENOID VALVES AND THEY MAY NOT TURN OFF AFTER ACTUATION.

Safety consequence

DEPENDING ON THE FUNCTION AFFECTED, THIS COULD RESULT IN REAR SUSPENSION AIR PRESSURE LOSS, MALFUNCTION OF THE ENGINE BRAKE, PERMANENT ENGAGEMENT OF THE REAR AXLE DIFFERENTIAL LOCK, OR PREVENT ENGAGEMENT OF THE FIFTH WHEEL SLIDE LOCK. IF THE WARNING INDICATORS IN THE DASH ARE NOT HEEDED, A CRASH COULD OCCUR.

Manufacturer remedy

DEALERS WILL REPLACE THE AFFECTED VALVES. THE RECALL BEGAN JUNE 29, 2004. OWNERS SHOULD CONTACT FREIGHTLINER AT 1-800-547-0712.

Notes

FREIGHTLINER RECALL NO. FL-423.CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

FREIGHTLINER/TRANSMISSION SHIFT LEVER ATTACHMENT

NHTSA #04V205000 · Power Train — Manual Transmission · NHTSA notice

Reported May 4, 2004 · FREIGHTLINER LLC

Potentially affected: 14,000 vehicles

Freightliner campaign FL-420 · Owners notified May 21, 2004 · Vehicles built starting May 3, 2002 (per NHTSA)

Defect description

ON CERTAIN TRUCKS EQUIPPED WITH MANUAL TRANSMISSION, THE TAPERED JOINT THAT ATTACHES THE SHIFTER TO THE TRANSMISSION MAY BECOME LOOSE MAKING IT DIFFICULT TO PUT THE TRANSMISSION INTO GEAR.

Safety consequence

IF SHIFT LEVER DETACHMENT OCCURS, THA ABILITY RO ACCELERATE OT MAINTAIN SPEED WILL BE LOST, INCREASING THE RISK OF A CRASH.

Manufacturer remedy

DEALERS WILL RE-SECURE THE SHIFT LEVER TO THE TRANSMISSION USING THREADLOCK AND RE-TORQUING THE FASTENING BOLT. OWNER NOTIFICATION BEGAN ON MAY 21, 2004. OWNERS SHOULD CONTACT FREIGHTLINER AT 1-800-547-0712.

Notes

FREIGHTLINER RECALL NO. FL-420.CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

Other Freightliner Business Class M2 model years

Check your 2004 Freightliner Business Class M2 VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Freightliner Business Class M2 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

Check a Freightliner VIN