TRANSMISSION DOWN SHIFTS TO LOW GEAR WHILE DRIVING AT HIGH SPEEDS ON THE INTERSTATE.
2008 Ford F-550 Sd
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all F-550 Sd years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
23 reports with mileage · 3 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.
- Engine And Engine Cooling. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
5 reportsTHE TRUCK HAS NOT RUN PROPERLY SINCE IT WAS PURCHASED, AND THE MOTOR WAS REPLACED BACK IN 2013 WITH MILEAGE OF 31,00 DUE TO OIL BEING SPLATTERED ALL OVER AND NO POWER. WE HAD SPEND OVER 10,000.00 TO FIX THE DEFECTIVE ISSUES. NOW ALMOST 2 YEARS TO THE DAY THE ENGINE HAS AGAIN FAILED. FORD OFFERS NO HELP OR EXPLANATIONS AS TO WHY …
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THE TRUCK HAS NOT RUN PROPERLY SINCE IT WAS PURCHASED, AND THE MOTOR WAS REPLACED BACK IN 2013 WITH MILEAGE OF 31,00 DUE TO OIL BEING SPLATTERED ALL OVER AND NO POWER. WE HAD SPEND OVER 10,000.00 TO FIX THE DEFECTIVE ISSUES. NOW ALMOST 2 YEARS TO THE DAY THE ENGINE HAS AGAIN FAILED. FORD OFFERS NO HELP OR EXPLANATIONS AS TO WHY THIS CONTINUES TO HAPPEN.. *TR
VEHICLE OVERHEATS AND LOOSES POWER AT DIFFERENT SPEEDS; WE HAD OVER $1100.00 IN REPAIRS DONE AND IT STILL OVERHEATS WITH THE WRENCH LIGHT COMING ON, TOOK IT BACK TO MECHANIC AND HE RAN THE CODES AND NOW SAYS IT IS THE OIL COOLER NOT WORKING. FORD SAID THEY DO NOT HAVE A RECALL ON THIS AND THE HEART OF TEXAS FORD PLACE IN BRADY,…
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VEHICLE OVERHEATS AND LOOSES POWER AT DIFFERENT SPEEDS; WE HAD OVER $1100.00 IN REPAIRS DONE AND IT STILL OVERHEATS WITH THE WRENCH LIGHT COMING ON, TOOK IT BACK TO MECHANIC AND HE RAN THE CODES AND NOW SAYS IT IS THE OIL COOLER NOT WORKING. FORD SAID THEY DO NOT HAVE A RECALL ON THIS AND THE HEART OF TEXAS FORD PLACE IN BRADY, TX MECHANIC SAID THERE ARE ALOT OF COMPLAINTS ON THIS OIL COOLER PART FOR THE F550 6.4 DIESEL. *TR
FORD 6.4L DIESEL ENGINES (2008-2010) IN F-250, F-350, F-450, AND F-550 TRUCKS CONTAIN RADIATORS THAT WERE IMPROPERLY CONSTRUCTED AND UNABLE TO WITHSTAND ENGINE PRESSURES AND LEAK COOLANT, AND CAN CAUSE CATASTROPHIC ENGINE FAILURES DUE TO OVERHEATING. FORD REPLACED COUNTLESS RADIATORS IN ITS 6.4L VEHICLES UNDER WARRANTY AND ISSU…
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FORD 6.4L DIESEL ENGINES (2008-2010) IN F-250, F-350, F-450, AND F-550 TRUCKS CONTAIN RADIATORS THAT WERE IMPROPERLY CONSTRUCTED AND UNABLE TO WITHSTAND ENGINE PRESSURES AND LEAK COOLANT, AND CAN CAUSE CATASTROPHIC ENGINE FAILURES DUE TO OVERHEATING. FORD REPLACED COUNTLESS RADIATORS IN ITS 6.4L VEHICLES UNDER WARRANTY AND ISSUED A NUMBER OF SERVICE BULLETINS RELATED TO ITS 6.4L RADIATOR FAILURES. HOWEVER, EVEN ITS REDESIGNED RADIATORS CONTINUE TO FAIL. IN OUR VERY LOW MILEAGE F550 DIESEL, THE RADIATOR FAILED AT 23000 MILES EVEN AFTER BEING INSPECTED BY FORD AND "APPROVED" AS ADEQUATE. FORD REFUSES TO PROVIDE A FIX. THE FORD DEALERSHIP TELLS US THAT SOME CUSTOMERS HAVE REPLACED RADIATORS AS MANY AS 10 TIMES, OR MORE. AN INTERNET SEARCH (E.G., GOOGLE) FOR "FORD 6.4L RADIATOR" SHOWS COUNTLESS OTHERS HAVE EXPERIENCED MULTIPLE RADIATOR FAILURES. AGAIN, FORD IS UNWILLING TO RECALL THE DEFECTIVE ENGINE PARTS OR PROVIDE A WARRANTY REPLACEMENT. *TR
TL* THE CONTACT OWNS A 2008 FORD F550 SD DIESEL. THE CONTACT STATED THAT THE VEHICLE WOULD INDEPENDENTLY DECELERATE WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A DEALER WHO WAS UNABLE TO DIAGNOSE THE PROBLEM. THE MANUFACTURER WAS CONTACTED WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILE…
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TL* THE CONTACT OWNS A 2008 FORD F550 SD DIESEL. THE CONTACT STATED THAT THE VEHICLE WOULD INDEPENDENTLY DECELERATE WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A DEALER WHO WAS UNABLE TO DIAGNOSE THE PROBLEM. THE MANUFACTURER WAS CONTACTED WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 50,000.
Official recalls
409V456000 · Equipment:appliance:air Conditioner
Nov 19, 2009
CUES, INC. IS RECALLING CERTAIN MODEL YEAR 2007-2009 SERVICE VEHICLES BUILT ON VARIOUS CHASSIS EQUIPPED WITH CARRIER AIRV CEILING UNITS, MODEL NOS. 68RV0010BA, 68RV0012CA, AND 68RV0010EA. THE HEATER ELEMENT IN THESE ASSEMBLIES MAY BE DEFECTIVE WHICH COULD CAUSE THE UNIT TO CREATE SMOKE OR SPARKS.
Consequence & remedy
Consequence: THIS DEFECT COULD RESULT IN A FIRE.
Remedy: CUES IS WORKING WITH CARRIER TO REMEDY THE AFFECTED VEHICLES. REPAIRS WILL BE MADE BY CARRIER FREE OF CHARGE. PLEASE SEE CARRIER'S DEFECT REPORT 09E-053. THE SAFETY RECALL BEGAN ON JANUARY 5, 2010. OWNERS MAY CONTACT CARRIER AT 1-877-584-7059 OR CUES AT 1-407-849-0190.
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.
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
0No exact-year investigations in this snapshot.
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