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2008 Ford F-250

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2008 Ford F-250 do not stand out strongly from the model-year median of 119.

About this comparison →

When problems were reported

Mileage at the reported incident

160 reports with mileage · 35 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Steering. Review the 80 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Suspension. Review the 35 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports4 fire reports3 injury reports

What owners actually said

195 reports
29,000 miles · May 15, 2013
SteeringCrash

TL* THE CONTACT OWNS A 2008 FORD F-250 DIESEL. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, THE STEERING BOX MALFUNCTIONED CAUSING HIM TO LOSE CONTROL OF THE VEHICLE. THE CONTACT HAD TO CRASH INTO A POLE IN ORDER TO BRING THE VEHICLE TO A STOP. NO INJURIES WERE REPORTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STAT…

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TL* THE CONTACT OWNS A 2008 FORD F-250 DIESEL. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, THE STEERING BOX MALFUNCTIONED CAUSING HIM TO LOSE CONTROL OF THE VEHICLE. THE CONTACT HAD TO CRASH INTO A POLE IN ORDER TO BRING THE VEHICLE TO A STOP. NO INJURIES WERE REPORTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE STEERING GEAR BOX NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE BUT DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 29,000. *TR

NHTSA ODI #10512061

65,000 miles · May 12, 2013
Steering

INTERMITTENT PROBLEM WITH STEERING. SOMETIMES STEERING IS FINE.OTHER TIMES TRUCK WANTS TO PULL LEFT AFTER MAKING A LEFT TURN. SAME CONDITION AFTER RIGHT TURNS. I'VE HAD A COUPLE OF EXPERIENCES WHILE STEERING IS PULLING RIGHT OR LEFT, TRYING TO CORRECT THE TRUCKS JUMPS FROM LANE TO LANE. NO ACCIDENT YET ! VERY SCARY! I LOOKED T…

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INTERMITTENT PROBLEM WITH STEERING. SOMETIMES STEERING IS FINE.OTHER TIMES TRUCK WANTS TO PULL LEFT AFTER MAKING A LEFT TURN. SAME CONDITION AFTER RIGHT TURNS. I'VE HAD A COUPLE OF EXPERIENCES WHILE STEERING IS PULLING RIGHT OR LEFT, TRYING TO CORRECT THE TRUCKS JUMPS FROM LANE TO LANE. NO ACCIDENT YET ! VERY SCARY! I LOOKED THE PROBLEM UP ON THE INTERNET THEY CALL THIS PROBLEM " MEMORY STEER". I ALSO READ THE PROBLEM IS THE STEERING PUMP. THE SPOOLS IN THE PUMP THAT SHUTTLES POWER STEERING FLUID TO RIGHT OR LEFT TURNS ARE STICKING. I STRONGLY SUGGEST A RECALL BEFORE A FATAL ACCIDENT HAPPENS. *TR

NHTSA ODI #10511557

164,000 miles · Apr 23, 2013
Seat Belts

DRIVER AND PASSENGER SEATBELTS WILL COME UNFASTENED/ UNBUCKLED ON THEIR OWN. *TR

NHTSA ODI #10509243

34,000 miles · Mar 26, 2013
SteeringSuspension

BEGAN IN 2010...DEATH WOBBLE....HITTING A BUMP,,STEERING WHEEL SHAKES VIOLENTLY.....LOSS OF CONFIDENCE IN THE ABILITY OF THE VEHICLE TO PROVIDE SAFE TRANSPORTATION.....DEALERSHIP VISIT WAS NOT HELPFUL...SAID IT WAS TIRE PRESSURE...ADDED A DIFFERENT TRAC BAR IN 2012...HELPED SOME BUT TIL PRODUCES THE WOBBLE AT LOWER SPEEDS. *TR

NHTSA ODI #10504525

59,000 miles · Jan 22, 2013
SteeringSuspension

2008 F250 6,4 POWERSTROKE 4X4 DRIVE ABOVE 55 AND HIT ROLLING BUMP AND THE FRONT END STARTS SHAKING VIOLENTLY STEERING WHEEL ALSO SHAKES. I HAVE HAD EVERYTHING INSPECTED AND EVERYTHING IS TIGHT AS A VEHICLE WITH ONLY 59,000 MILE SHOULD BE. THE MORE I DRIVE IT THE WORSE IT GETS ITS STARTING TO JUST SHAKE RANDOMLY WITHOUT HITTING A…

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2008 F250 6,4 POWERSTROKE 4X4 DRIVE ABOVE 55 AND HIT ROLLING BUMP AND THE FRONT END STARTS SHAKING VIOLENTLY STEERING WHEEL ALSO SHAKES. I HAVE HAD EVERYTHING INSPECTED AND EVERYTHING IS TIGHT AS A VEHICLE WITH ONLY 59,000 MILE SHOULD BE. THE MORE I DRIVE IT THE WORSE IT GETS ITS STARTING TO JUST SHAKE RANDOMLY WITHOUT HITTING A BUMP. *TR

NHTSA ODI #10493785

104,000 miles · Jan 15, 2013
Engine

WHILE DRIVING ENGINE POWER FAILED AND LOUD KNOCKING NOISE WAS HEARD. UPON BEING SERVICED, ROCKER ARM WAS BROKEN AND CAUSED THE PROBLEMS. THERE WAS NO NOTICE OF THIS ISSUE AND IT AFFECTED SUDDEN LOSS OF POWER/SPEED. IT IS NOTED THAT WHILE SEARCHING THE INTERNET IT WAS DISCOVERED THAT THIS APPEARS TO BE A COMMON PROBLEM WITH TH…

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WHILE DRIVING ENGINE POWER FAILED AND LOUD KNOCKING NOISE WAS HEARD. UPON BEING SERVICED, ROCKER ARM WAS BROKEN AND CAUSED THE PROBLEMS. THERE WAS NO NOTICE OF THIS ISSUE AND IT AFFECTED SUDDEN LOSS OF POWER/SPEED. IT IS NOTED THAT WHILE SEARCHING THE INTERNET IT WAS DISCOVERED THAT THIS APPEARS TO BE A COMMON PROBLEM WITH THESE 6.4L DIESEL ENGINES. *TR

NHTSA ODI #10493072

45,000 miles · Dec 11, 2012
Steering

TL* THE CONTACT OWNS A 2008 FORD F-250 SUPER DUTY. THE CONTACT STATED THAT WHEN DRIVING OVER A ROAD BUMP AND TRAVELING 45-65 MPH, THE FRONT END OF THE VEHICLE WOULD WOBBLE UNCONTROLLABLY. THE CONTACT HAD TO REDUCE SPEED IN ORDER TO BRING THE VEHICLE UNDER CONTROL. THE FAILURE WAS EXPERIENCED SEVERAL TIMES. THE VEHICLE WAS NOT T…

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TL* THE CONTACT OWNS A 2008 FORD F-250 SUPER DUTY. THE CONTACT STATED THAT WHEN DRIVING OVER A ROAD BUMP AND TRAVELING 45-65 MPH, THE FRONT END OF THE VEHICLE WOULD WOBBLE UNCONTROLLABLY. THE CONTACT HAD TO REDUCE SPEED IN ORDER TO BRING THE VEHICLE UNDER CONTROL. THE FAILURE WAS EXPERIENCED SEVERAL TIMES. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO HAVE A DIAGNOSTIC PERFORMED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 45,000 AND THE CURRENT MILEAGE WAS 50,000.

NHTSA ODI #10488010

105,000 miles · Oct 20, 2012
Service BrakesSteering

DRIVING 65MPH AND CHANGING LANES POWER STEERING WAS LOST AS WELL AS POWER BRAKING. AFTER FIGHTING THE WHEEL HARD TO STRAIGHTEN OUT AND BRAKING HARD I FINALLY EASED OVER TO A STOP. WHEN STOPPED DISCOVERED THE SERPENTINE BELT HAD BROKEN, SECOND ISSUE IN 20K MILES WITH SAID BELT. BELT AND TENSIONER WERE REPLACED 1.5 YEARS AND 20…

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DRIVING 65MPH AND CHANGING LANES POWER STEERING WAS LOST AS WELL AS POWER BRAKING. AFTER FIGHTING THE WHEEL HARD TO STRAIGHTEN OUT AND BRAKING HARD I FINALLY EASED OVER TO A STOP. WHEN STOPPED DISCOVERED THE SERPENTINE BELT HAD BROKEN, SECOND ISSUE IN 20K MILES WITH SAID BELT. BELT AND TENSIONER WERE REPLACED 1.5 YEARS AND 20K MILES PRIOR. TENSIONERS DESTROYING BELTS ARE A KNOWN FAULT WITH 6.4L ENGINES. I AM NOT A SMALL GUY AND I FEEL MANY WOULD NOT HAVE BEEN ABLE TO GET THE TRUCK UNDER CONTROL WITH NO POWER STEERING OR BRAKES. LUCKILY I WAS NOT TOWING AT THE TIME OR I WOULDN'T HAVE HAD CONTROL. *TR

NHTSA ODI #10481263

67,730 miles · Oct 2, 2012
Engine

TL* THE CONTACT OWNS A 2008 FORD F250. THE CONTACT STATED THAT WHILE DRIVING 65 MPH, THE VEHICLE BEGAN MAKING NOISES AND STALLED PERIODICALLY. THE VEHICLE WAS TAKEN TO A DEALER FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THERE WAS A COOLING SYSTEM LEAK AND THE RADIATOR AND HOSES WOULD NEED TO BE REPLACED WITH HIGHER GRADE HOSES A…

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TL* THE CONTACT OWNS A 2008 FORD F250. THE CONTACT STATED THAT WHILE DRIVING 65 MPH, THE VEHICLE BEGAN MAKING NOISES AND STALLED PERIODICALLY. THE VEHICLE WAS TAKEN TO A DEALER FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THERE WAS A COOLING SYSTEM LEAK AND THE RADIATOR AND HOSES WOULD NEED TO BE REPLACED WITH HIGHER GRADE HOSES AND TANKS. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED BUT OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 67,730 AND THE CURRENT MILEAGE WAS 68,000.

NHTSA ODI #10478366

53,000 miles · Sep 17, 2012
Power Train

TL* THE CONTACT OWNS A 2008 FORD F250. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE CHECK THE EXHAUST FILTRATION SYSTEM WARNING MESSAGE APPEARED ON THE INSTRUMENT PANEL AND SUDDENLY THE ENGINE STALLED. THE VEHICLE FAILED TO RESTART WAS TOWED TO A SAFER LOCATION WHERE THE BATTERY WAS DISCONNECTED AND RECONNECTE…

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TL* THE CONTACT OWNS A 2008 FORD F250. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE CHECK THE EXHAUST FILTRATION SYSTEM WARNING MESSAGE APPEARED ON THE INSTRUMENT PANEL AND SUDDENLY THE ENGINE STALLED. THE VEHICLE FAILED TO RESTART WAS TOWED TO A SAFER LOCATION WHERE THE BATTERY WAS DISCONNECTED AND RECONNECTED. THE VEHICLE WAS ABLE TO RESUME IN OPERATION. THE VEHICLE WAS THEN TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSE THAT THE EXHAUST FILTRATION SYSTEM SENSOR WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THERE WAS A RECALL UNDER NHTSA CAMPAIGN ID NUMBER 07V139000 (POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM); HOWEVER THE VIN WAS INELIGIBLE. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 53,000. UPDATED 11/16/12*LJ UPDATED 11/20/2012 *JS THE CONSUMER WAS INFORMED THE PCM NEEDED TO BE RE-FLASHED. UPDATED 12/19/12

NHTSA ODI #10475675

Official recalls

5

08V191000 · Fuel System, Gasoline:delivery

Apr 25, 2008

FORD IS RECALLING 64,754 MY 2008 F-250 AND F-350 SINGLE REAR WHEEL, 4X4, 156 INCH WHEEL BASE PICK UP TRUCKS EQUIPPED WITH A TWO PIECE DRIVE SHAFT FOR FAILING TO CONFORM TO THE FUEL SPILLAGE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 301, "FUEL SYSTEM INTEGRITY." DURING A 30 MPH FRONTAL IMPACT INTO A RIGID BARRIER, THE FUEL TANK CAN MOVE FORWARD AND CONTACT A FRAME CROSS MEMBER, POTENTIALLY CAUSING DAMAGE TO THE FUEL DELIVERY MODULE WHICH CAN RESULT IN FUEL SPILLAGE.

Consequence & remedy

Consequence: FUEL SPILLAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy: DEALERS WILL INSTALL A BRACKET ON THE AFFECTED VEHICLES FREE OF CHARGE. THE RECALL BEGAN ON MAY 23, 2008. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

08V096000 · Seats

Feb 28, 2008

FORD IS RECALLING 87,515 MY 2008 F250, F-350, F-450, AND F-550 VEHICLES FOR FAILING TO COMPLY WITH ALL THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 207, "SEATING SYSTEMS." SOME 40% SPLIT AND CAPTAIN'S CHAIR DRIVER'S SEATS, EQUIPPED WITH LUMBAR SUPPORTS, MAY HAVE IMPROPER WELDS AT THE JOINT OF THE SEAT BACK PIVOT BRACKET AND THE SEAT BACK FRAME.

Consequence & remedy

Consequence: IN THE EVENT OF A CRASH, THE SEAT SIDE PIVOT BRACKET MAY CRACK OR BREAK, INCREASING THE RISK OF INJURY TO THE SEAT OCCUPANT.

Remedy: DEALERS WILL ADD A REINFORCEMENT TO THE DRIVER'S SEAT BACK FRAME ON THE 40% SPLIT OR CAPTAIN'S CHAIR SEAT EQUIPPED WITH LUMBAR SUPPORT OR, IF NECESSARY, THE SEAT BACK FRAME WILL BE REPLACED. THE RECALL BEGAN ON MARCH 28, 2008. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

07V541000 · Air Bags:frontal:driver Side:inflator Module

Nov 21, 2007

CERTAIN VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS SPECIFIED IN FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE DRIVER AIR BAG MODULE MAY NOT HAVE BEEN PROPERLY ASSEMBLED.

Consequence & remedy

Consequence: THIS CONDITION MAY PREVENT THE DRIVER AIR BAG FROM PROPERLY DEPLOYING AND REDUCE OCCUPANT PROTECTION IN THE EVENT OF A CRASH.

Remedy: DEALERS WILL REPLACE YOUR DRIVER AIR BAG MODULE FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 20, 2007. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

07V139000 · Power Train:automatic Transmission:control Module (tcm/pcm/tecm)

Mar 26, 2007

ON CERTAIN TRUCKS EQUIPPED WITH A 6.4L DIESEL ENGINE, EXCESSIVE TEMPERATURES IN THE DIESEL PARTICULATE FILTER IN THE EXHAUST SYSTEM MAY RESULT FROM EXCESS HYDROCARBONS IN THE EXHAUST.

Consequence & remedy

Consequence: LACK OF POWER OR ROUGH OPERATION, UNUSUAL NOISES FROM THE ENGINE OR EXHAUST, WHITE SMOKE FROM THE EXHAUST, AND POTENTIALLY A VISIBLE FLAME OUT THE TAILPIPE CAN OCCUR.

Remedy: DEALERS WILL REPROGRAM THE POWER TRAIN CONTROL MODULE. THE RECALL BEGAN ON APRIL 3, 2007. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

07V140000 · Electrical SYSTEM:12V/24V/48V Battery

Mar 26, 2007

ON CERTAIN TRUCKS EQUIPPED WITH A 6.4L DIESEL ENGINE, INSUFFICIENT CLEARANCE OF THE BATTERY POSITIVE (B+) WIRE TO THE RIGHT HAND SPLASH SHIELD BOLT MAY RESULT IN THE BATTERY B+ WIRE CONTACTING THE SPLASH SHIELD BOLT.

Consequence & remedy

Consequence: LONG TERM CONTACT COULD CAUSE WIRE CHAFE, RESULTING IN COPPER WIRE BEING EXPOSED. IF THIS CONDITION OCCURS, THE BATTERY B+ WIRE COULD SHORT TO GROUND INCREASING THE RISK OF A FIRE.

Remedy: DEALERS WILL INSPECT THE BATTERY B+ WIRE LOCATION AND, IF NECESSARY, REPOSITION THE WIRE. THE RECALL BEGAN ON APRIL 3, 2007. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE13014 · Alleged Loss Of Steering

Opened May 7, 2013 · Closed Jan 31, 2014

Status: closed (inferred from source dates) · Steering; Steering:gear Box (other Than Rack And Pinion)

The Office of DefectsInvestigation (ODI) opened PE13-014 after identifying five complaints alleging steering gear failure in model year (MY) 2008 Ford F-250 and F-350 Super Duty pick-up trucks and to evaluate the relationship between the design history of the steering gear assembly and the alleged defect.As background, ODI investigated steering gear sector shaft fractures in approximately 1.3 million MY 1999 - 2001 Ford Super Duty pick-up trucks and MY 2000 - 2001 Ford Excursion sport utility vehicles in Engineering Analysis EA01-009.The investigation determined that the sector shaft failures were the result of extraordinary, possibly multiple, impacts and not the result of fatigue.No defect in design, manufacturing or materials was identified in the sector shaft.EA01-009 was closed August 19, 2003 with 169 complaints, resulting in a rate of 12.9 incidents per 100,000 vehicles after approximately one year of service.Ford increased the diameter of the sector shaft from 1.375 inches to 1.625 inches at the start of MY 2005 production, increasing the resistance of the steering gear assembly to torsional overload by approximately 48% and changing the failure mode from sector shaft fracture to cracked or broken sector shaft gear teeth.The redesigned steering gear assembly was used in approximately 1.1 million MY 2005 through 2009 Ford Super Duty pick-up trucks, including the subject vehicles.Figure 1 shows the basic steering system design used in Ford Super Duty trucks investigated in EA01-009 and PE13-014. Figure 2 shows the locations of failures resulting from impact related torsional overloading of the sector shaft for the subject vehicles and the prior generation Ford Super Duty trucks investigated in EA01-009.Figure 3 shows an example of a failed sector shaft investigated in EA01-009 and comparisons of fracture surfaces of sector shafts failing from fatigue loading and from torsional overload.Ford provided field return part analysis of failed steering gears from MY 2005 through 2009 Super Duty trucks found evidence of broken sector shaft gear teeth and piston damage consistent with incidents of single event overload (Figure 4).Laboratory analysis found no evidence of fatigue or material property defects in any of the fractures.Analysis of complaint rates by vehicle build month showed no patterns indicating potential manufacturing quality issues and no difference before and after Ford introduced design changes to the input shaft and sector shaft seals in July 2007 to address potential leak concerns (Figure 5).Analysis of failures by time in service indicates a random failure pattern/distribution, consistent with incidents of impact induced overload (Figure 6). The complaint rate for the subject vehicles after approximately 5 to 6 years, 7.1 incidents per 100,000 vehicles, is lower than the rate observed in EA01-009. Furthermore, similar to the condition investigated in EA01-009, a number of incident records include evidence of impact loads (e.g., curb strikes) and several alleged crashes include incidents in which information suggests that the steering gear failure was most likely a result of crash forces, rather than the cause of the crash.A safety-related defect has not been identified at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency will monitor this issue and reserves the right to take further action if warranted by the circumstances.The ODI complaints cited above can be reviewed at ww

Additional source detail variants (2)

Steering

The Office of DefectsInvestigation (ODI) opened PE13-014 after identifying five complaints alleging steering gear failure in model year (MY) 2008 Ford F-250 and F-350 Super Duty pick-up trucks and to evaluate the relationship between the design history of the steering gear assembly and the alleged defect.As background, ODI investigated steering gear sector shaft fractures in approximately 1.3 million MY 1999 - 2001 Ford Super Duty pick-up trucks and MY 2000 - 2001 Ford Excursion sport utility vehicles in Engineering Analysis EA01-009.The investigation determined that the sector shaft failures were the result of extraordinary, possibly multiple, impacts and not the result of fatigue.No defect in design, manufacturing or materials was identified in the sector shaft.EA01-009 was closed August 19, 2003 with 169 complaints, resulting in a rate of 12.9 incidents per 100,000 vehicles after approximately one year of service.Ford increased the diameter of the sector shaft from 1.375 inches to 1.625 inches at the start of MY 2005 production, increasing the resistance of the steering gear assembly to torsional overload by approximately 48% and changing the failure mode from sector shaft fracture to cracked or broken sector shaft gear teeth.The redesigned steering gear assembly was used in approximately 1.1 million MY 2005 through 2009 Ford Super Duty pick-up trucks, including the subject vehicles.Figure 1 shows the basic steering system design used in Ford Super Duty trucks investigated in EA01-009 and PE13-014. Figure 2 shows the locations of failures resulting from impact related torsional overloading of the sector shaft for the subject vehicles and the prior generation Ford Super Duty trucks investigated in EA01-009.Figure 3 shows an example of a failed sector shaft investigated in EA01-009 and comparisons of fracture surfaces of sector shafts failing from fatigue loading and from torsional overload.Ford provided field return part analysis of failed steering gears from MY 2005 through 2009 Super Duty trucks found evidence of broken sector shaft gear teeth and piston damage consistent with incidents of single event overload (Figure 4).Laboratory analysis found no evidence of fatigue or material property defects in any of the fractures.Analysis of complaint rates by vehicle build month showed no patterns indicating potential manufacturing quality issues and no difference before and after Ford introduced design changes to the input shaft and sector shaft seals in July 2007 to address potential leak concerns (Figure 5).Analysis of failures by time in service indicates a random failure pattern/distribution, consistent with incidents of impact induced overload (Figure 6). The complaint rate for the subject vehicles after approximately 5 to 6 years, 7.1 incidents per 100,000 vehicles, is lower than the rate observed in EA01-009. Furthermore, similar to the condition investigated in EA01-009, a number of incident records include evidence of impact loads (e.g., curb strikes) and several alleged crashes include incidents in which information suggests that the steering gear failure was most likely a result of crash forces, rather than the cause of the crash.A safety-related defect has not been identified at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency will monitor this issue and reserves the right to take further action if warranted by the circumstances.The ODI complaints cited above can be reviewed at ww

Steering:gear Box (other Than Rack And Pinion)

The Office of DefectsInvestigation (ODI) opened PE13-014 after identifying five complaints alleging steering gear failure in model year (MY) 2008 Ford F-250 and F-350 Super Duty pick-up trucks and to evaluate the relationship between the design history of the steering gear assembly and the alleged defect.As background, ODI investigated steering gear sector shaft fractures in approximately 1.3 million MY 1999 - 2001 Ford Super Duty pick-up trucks and MY 2000 - 2001 Ford Excursion sport utility vehicles in Engineering Analysis EA01-009.The investigation determined that the sector shaft failures were the result of extraordinary, possibly multiple, impacts and not the result of fatigue.No defect in design, manufacturing or materials was identified in the sector shaft.EA01-009 was closed August 19, 2003 with 169 complaints, resulting in a rate of 12.9 incidents per 100,000 vehicles after approximately one year of service.Ford increased the diameter of the sector shaft from 1.375 inches to 1.625 inches at the start of MY 2005 production, increasing the resistance of the steering gear assembly to torsional overload by approximately 48% and changing the failure mode from sector shaft fracture to cracked or broken sector shaft gear teeth.The redesigned steering gear assembly was used in approximately 1.1 million MY 2005 through 2009 Ford Super Duty pick-up trucks, including the subject vehicles.Figure 1 shows the basic steering system design used in Ford Super Duty trucks investigated in EA01-009 and PE13-014. Figure 2 shows the locations of failures resulting from impact related torsional overloading of the sector shaft for the subject vehicles and the prior generation Ford Super Duty trucks investigated in EA01-009.Figure 3 shows an example of a failed sector shaft investigated in EA01-009 and comparisons of fracture surfaces of sector shafts failing from fatigue loading and from torsional overload.Ford provided field return part analysis of failed steering gears from MY 2005 through 2009 Super Duty trucks found evidence of broken sector shaft gear teeth and piston damage consistent with incidents of single event overload (Figure 4).Laboratory analysis found no evidence of fatigue or material property defects in any of the fractures.Analysis of complaint rates by vehicle build month showed no patterns indicating potential manufacturing quality issues and no difference before and after Ford introduced design changes to the input shaft and sector shaft seals in July 2007 to address potential leak concerns (Figure 5).Analysis of failures by time in service indicates a random failure pattern/distribution, consistent with incidents of impact induced overload (Figure 6). The complaint rate for the subject vehicles after approximately 5 to 6 years, 7.1 incidents per 100,000 vehicles, is lower than the rate observed in EA01-009. Furthermore, similar to the condition investigated in EA01-009, a number of incident records include evidence of impact loads (e.g., curb strikes) and several alleged crashes include incidents in which information suggests that the steering gear failure was most likely a result of crash forces, rather than the cause of the crash.A safety-related defect has not been identified at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency will monitor this issue and reserves the right to take further action if warranted by the circumstances.The ODI complaints cited above can be reviewed at ww