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1993 Ford F-150

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1993 Ford F-150 do not stand out strongly from the model-year median of 676.

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When problems were reported

Mileage at the reported incident

Limited mileage data: 81 of 586 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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.

  • Fuel System, Gasoline. Review the 260 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 77 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 52 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

22 crash reports21 fire reports10 injury reports

Power Train complaints

40 reports
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200,000 miles · Mar 29, 2024
Power Train

The contact owns a 1993 Ford F-150. The contact stated while driving downhill in 4WD, and letting off the accelerator pedal, the transmission unintendedly shifted into neutral. The contact pulled over and placed the vehicle in park(P) before shifting into to drive(D) for the vehicle to operate as needed. No warning lights were i…

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The contact owns a 1993 Ford F-150. The contact stated while driving downhill in 4WD, and letting off the accelerator pedal, the transmission unintendedly shifted into neutral. The contact pulled over and placed the vehicle in park(P) before shifting into to drive(D) for the vehicle to operate as needed. No warning lights were illuminated. The contact stated that the failure recurred. The vehicle was not taken to the dealer and was not repaired. The contact referenced NHTSA Campaign Number: 93V089000 (Power Train) as a possible solution however, the VIN was not included in the recall. The manufacturer was not notified of the failure. The failure mileage was approximately 200,000.

NHTSA ODI #11580079

186,000 miles · Sep 27, 2021
Power TrainUnknown Or Other

Regarding Ford Safety Recall 93S65 4X4 Transfer Case comes out of gear while in 4X4 High and will roll away, pops out of gear while in reverse, shift indication lights fail to report proper placement of the transfer-case, at start up the Vehicle shifts on its own, Shift from 2H to 4H results in Chatter, the Vehicle is currently …

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Regarding Ford Safety Recall 93S65 4X4 Transfer Case comes out of gear while in 4X4 High and will roll away, pops out of gear while in reverse, shift indication lights fail to report proper placement of the transfer-case, at start up the Vehicle shifts on its own, Shift from 2H to 4H results in Chatter, the Vehicle is currently stuck in 4L. I found a recall publication (TSB 92-01-08 (Excerpt) Touch-Drive ESOF Operation) that is specifically related to this problem Safety Recall 93S65. Affected Vehicles: 1993 Model F- Series and Bronco 4x4 Vehicles. I went to DCH Ford in thousand Oaks for direction, I spoke with [XXX] (Service Director) [XXX], [XXX] regarding this recall. Ford and NTSB do not show this Recall. Ford must address this safety recall first. Please advise INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA ODI #11434541

159,380 miles · Jan 17, 2009
Power Train

FORD EARLY MODEL E4OD TRANSMISSION HAS HAD MANY AND MULTIPLE PART FAILURES. MY THIRD 92-96 F-150 W/E4OD. CURRENTLY HAS BAD CONVERTER AND VALVE BODY. WILL NOT LOCKUP IN OVERDRIVE CAUSES SHUDDERING AND VERY BAD GAS MILEAGE. BANGS HARD INTO GEARS AND HAS DELAYED INITIAL SHIFT INTO FORWARD AND REVERSE. TWO PREVIOUS VEHICLES NEEDED C…

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FORD EARLY MODEL E4OD TRANSMISSION HAS HAD MANY AND MULTIPLE PART FAILURES. MY THIRD 92-96 F-150 W/E4OD. CURRENTLY HAS BAD CONVERTER AND VALVE BODY. WILL NOT LOCKUP IN OVERDRIVE CAUSES SHUDDERING AND VERY BAD GAS MILEAGE. BANGS HARD INTO GEARS AND HAS DELAYED INITIAL SHIFT INTO FORWARD AND REVERSE. TWO PREVIOUS VEHICLES NEEDED COMPLETE REBUILDS OF TRANSMISSIONS. ALL EXPERIENCED HARSH SHIFTS, SLIPPING INTO GEAR, SHUDDERING AT VEHICLE SPEEDS, BLOWING SEALS W/FLUID LEAKAGE AND BAD FUEL MILEAGE. INQUIRED ABOUT A REBUILD AND WAS TOLD TO REBUILD WITH REPLACEMENT OF MANY REDESIGNED INTERNAL PARTS MOST OF WHICH HAD FAILED PREVIOUSLY INCLUDING PUMP,CONVERTER AND SUPPORT. ALL THREE VEHICLES HAVE HAD PROBLEMS WITHIN 10K MILES OF OWNING. DAILY DRIVEN WITHOUT BEING USED FOR ANY TOWING. *TR

NHTSA ODI #10255430

220,000 miles · Feb 12, 2008
Power Train

TL*THE CONTACT OWNS A 1993 FORD F150. WHILE DRIVING BETWEEN 1-50 MPH WITH THE 4 WHEEL DRIVE ACTIVATED, THE TRANSFER CASE POPPED OUT OF GEAR AND WENT INTO NEUTRAL. THE VEHICLE'S SPEED DECREASED. THE MANUFACTURER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER 93V089000 (POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE…

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TL*THE CONTACT OWNS A 1993 FORD F150. WHILE DRIVING BETWEEN 1-50 MPH WITH THE 4 WHEEL DRIVE ACTIVATED, THE TRANSFER CASE POPPED OUT OF GEAR AND WENT INTO NEUTRAL. THE VEHICLE'S SPEED DECREASED. THE MANUFACTURER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER 93V089000 (POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). THE CURRENT AND FAILURE MILEAGES WERE 220,000. UPDATED 03-04-08 *BF THE TRANSFER CASE SHIFTED INTO NEUTRAL WITHOUT INPUT FROM THE DRIVER. UPDATED

NHTSA ODI #10217812

213,000 miles · Jul 30, 2005
Power Train

WHILE SLOWING FROM HIGHWAY SPEEDS, I ATTEMPTED TO DOWNSHIFT. WHEN I PUSHED IN THE CLUTCH PEDAL, IT WENT TO THE FLOOR, HAVING NO EFFECT, LEAVING THE ENGINE ENGAGED WITH THE TRANSMISSION WHILE THE ENGINE WAS RUNNING AS I WAS APPROACHING TRAFFIC STOPPED AT A TOLL BOOTH. I WAS ABLE TO FORCE THE SHIFTER INTO NEUTRAL. AND COME SAFEL…

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WHILE SLOWING FROM HIGHWAY SPEEDS, I ATTEMPTED TO DOWNSHIFT. WHEN I PUSHED IN THE CLUTCH PEDAL, IT WENT TO THE FLOOR, HAVING NO EFFECT, LEAVING THE ENGINE ENGAGED WITH THE TRANSMISSION WHILE THE ENGINE WAS RUNNING AS I WAS APPROACHING TRAFFIC STOPPED AT A TOLL BOOTH. I WAS ABLE TO FORCE THE SHIFTER INTO NEUTRAL. AND COME SAFELY TO A STOP. UPON INSPECTING THE CLUTCH LINKAGE, I FOUND THAT A PLASTIC RETAINER HAD COME OFF A SHAFT CONNECTING THE CLUTCH PUSH ROD TO THE CLUTCH CROSSOVER SHAFT. THIS IS AN EXTREMELY POOR AND UNSAFE METHOD OF CONNECTING VITAL DRIVETRAIN COMPONENTS. SOMEONE OF LESS DRIVING EXPERIENCE OR STRENGTH MAY NOT HAVE KNOWN WHAT TO DO, OR BEEN ABLE TO SAFELY STOP THIS VEHICLE DUE TO THE FAILURE OF A CHEAP PLASTIC PART AND AN UNSAFE AND INFERIOR DESIGN. THIS MAY KILL SOMEONE. *JB

NHTSA ODI #10130666

253,770 miles · Apr 28, 2003
Power Train

TRANSMISSION IS SLIPPING IN ALL GEARS AND REVERSE IS NOT WORKING AT ALL. *NLM

NHTSA ODI #10016630

Mileage unknown · Nov 15, 2002
Power Train

CONSUMER STATES THAT WHILE DRIVING AND NO WARNING THE TRANSMISSION WILL SLIP GEARS CAUSING A DISTRACTION TO THE CONSUMER. DEALER NOTIFIED TS

NHTSA ODI #8022803

Mileage unknown · May 6, 2002
Engine And Engine CoolingParking BrakePower Train

TIRE VIBRATION AT 65 MPH, FOUND ORIGINAL GENERAL TIRE (TIRE INFORMATION UNKNOWN) TREAD SEPARATED AND OUT OF ROUND. REPLACED WITH GOODYEAR GSA'S. *TT

NHTSA ODI #565701

Mileage unknown · Oct 1, 2001
Power Train

MY FORD F150 TRUCK HAS A MANUAL TRANSMISSION, WITH A HYDRAULIC CLUTCH CYLINDER, WHICH IS INSIDE THE TRANSMISSION HOUSING. A FEW YEARS AFTER I GOT THE TRUCK, THE HYDRAULIC CLUTCH CYCLINDER, INSIDE THE TRANSMISSION HOUSING, STARTED LEAKING FLUID, JUST AFTER THE MANUFACTURERS 3-YEAR WARRANTY RAN OUT. SOMETIMES THE HYDRAULIC CLUTCH…

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MY FORD F150 TRUCK HAS A MANUAL TRANSMISSION, WITH A HYDRAULIC CLUTCH CYLINDER, WHICH IS INSIDE THE TRANSMISSION HOUSING. A FEW YEARS AFTER I GOT THE TRUCK, THE HYDRAULIC CLUTCH CYCLINDER, INSIDE THE TRANSMISSION HOUSING, STARTED LEAKING FLUID, JUST AFTER THE MANUFACTURERS 3-YEAR WARRANTY RAN OUT. SOMETIMES THE HYDRAULIC CLUTCH CYLINDER LOSES ALL THE FLUID OVER A LONG PERIOD OF TIME (SEVERAL MONTHS), AND SOMETIMES IT LOSES ALL OF THE FLUID IN A FEW DAYS. THE FIRST TIME IT HAPPENED, I WAS ON THE FREEWAY, AND I PUSHED IN THE CLUTCH TO DISENGAGE THE TRANSMISSION BECAUSE TRAFFIC WAS SLOWING DOWN IN FRONT OF ME, AND THE CLUTCH DID NOT WORK. IT WAS FORTUNATE THAT AN ACCIDENT DID NOT RESULT.

NHTSA ODI #752777

Mileage unknown · Jun 19, 2001
Power TrainTires

THE VEHICLE EXPERIENCED THREE BLOWOUTS, ONE WHICH DAMAGED THE FRONT END AND RIM. NLM

NHTSA ODI #561679

Official recalls

7

08V051000 · Vehicle Speed Control:cruise Control

Feb 4, 2008

FORD IS RECALLING 225,000 MY 1992-2003 ECONOLINE, MY 1993-1995 TAURUS SHO, MY 1992-1998 CROWN VICTORIA, MY 1993 BRONCO, F-SERIES, MY 1995-1997 F-SERIES SUPER DUTY STRIPPED CHASSIS, MY 1992-1998 MERCURY GRAND MARQUIS, AND MY 1992-1995 LINCOLN TOWN CAR VEHICLES. THE AFFECTED VEHICLES WERE PREVIOUSLY REPAIRED USING A WIRING HARNESS THAT IS NOT COMPATIBLE WITH THE VEHICLE CIRCUIT POLARITY.

Consequence & remedy

Consequence: AS A RESULT, THE FUSE IS LOCATED IN THE OUTPUT CIRCUIT RATHER THAN IN THE INTENDED INPUT POWER FEED CIRCUIT, AND MAY NOT OFFER THE INTENDED PROTECTION IN THE EVENT OF AN ELECTRICAL SHORT TO GROUND.

Remedy: DEALERS WILL INSTALL A NEW WIRING HARNESS, OR REPLACE THE MATING ELECTRICAL COMPONENT. THE RECALL BEGAN ON FEBRUARY 18, 2008. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

07V336000 · Vehicle Speed Control

Aug 3, 2007

ON CERTAIN PICKUP TRUCKS, PASSENGER VEHICLES, SPORT UTILITY VEHICLES, AND MOTOR HOMES CHASSIS, THE SPEED CONTROL DEACTIVATION SWITCH MAY, UNDER CERTAIN CONDITIONS, LEAK INTERNALLY AND THEN OVERHEAT, SMOKE, OR BURN.

Consequence & remedy

Consequence: THIS COULD RESULT IN AN UNDERHOOD FIRE.

Remedy: DEALERS WILL INSTALL A FUSED WIRING HARNESS. OWNERS OF THE PASSENGER CARS INCLUDED IN THIS CAMPAIGN WILL BE INSTRUCTED TO RETURN THEIR VEHICLES TO THEIR DEALERS TO HAVE THE SPEED CONTROL DEACTIVATION SWITCH DISCONNECTED AS AN INTERIM REPAIR. AS SOON AS REPAIR PARTS ARE AVAILABLE (EXPECTED OCTOBER 2007), OWNERS WILL BE INSTRUCTED TO RETURN TO THE DEALERS FOR INSTALLATION OF A FUSED WIRING HARNESS. THE RECALL BEGAN ON AUGUST 13, 2007, AND MAILING COMPLETED BY SEPTEMBER 19, 2007. OWNERS MAY CONTACT FORD AT 1-888-222-2751.

00V424000 · Fuel System, Gasoline:storage:tank Assembly

Dec 29, 2000

VEHICLE DESCRIPTION: LIGHT DUTY TRUCKS AND CAB CHASSIS EQUIPPED WITH GASOLINE ENGINES AND DUAL FUEL TANKS. THE CARBON STEEL FUEL PRESSURE REGULATOR IN THE FUEL SYSTEM CAN WEAR OUT DURING THE LIFE OF THE VEHICLE. IF THE FUEL PRESSURE REGULATOR MALFUNCTIONS, IT CAN CAUSE HIGH FUEL SYSTEM PRESSURE, WHICH DAMAGES THE FUEL PUMP CHECK VALVE. THIS ALLOWS FUEL TO BE TRANSFERRED FROM ONE TANK TO THE OTHER, POSSIBLY OVERFILLING THE NON-OPERATING TANK, RESULTING IN FUEL OVERFLOW PAST THE FILLER CAP.

Consequence & remedy

Consequence: FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A VEHICLE FIRE.

Remedy: DEALERS WILL HAVE A STAINLESS STEEL FUEL PRESSURE REGULATOR INSTALLED. OWNER NOTIFICATION BEGAN JULY 9, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FORD AT 1-866-436-7332. (SEE PREVIOUS NHTSA RECALL 93V-125/FORD RECALL 93S68).

94V169001 · Parking Brake:conventional

Sep 7, 1994

THE PARKING BRAKE CONTROL SELF-ADJUST PAWL DOES NOT LINE UP PROPERLY WITH THE SELF-ADJUST RACHET CAUSING THE PAWL TO SLIP OVER ONE OR MORE TEETH IN THE RACHET.

Consequence & remedy

Consequence: WHEN THE ABOVE OCCURS, IT CAN RESULT IN PARKING BRAKE SYSTEM INEFFECTIVENESS. THE PARKING BRAKE WILL NOT HOLD THE VEHICLE, CAUSING THE VEHICLE TO ROLL FREELY, IF THE TRANSMISSION IS NOT LEFT IN GEAR.

Remedy: A WEDGE WILL BE INSTALLED WHICH WILL SERVE TO LOCK THE PARKING BRAKE SELF-ADJUST MECHANISM PAWL INTO ENGAGEMENT WITH THE RACHET. ALSO, OWNERS WILL BE ADVISED TO RELEASE AND REAPPLY THE PARKING BRAKE WHENEVER TOOTH SKIP OCCURS AND WILL BE REMINDED TO ALWAYS TURN OFF THE ENGINE AND LEAVE THE VEHICLE IN GEAR WHEN THE VEHICLE IS PARKED.

94V018000 · Structure:body:bumpers

Jan 2, 1994

THE U-CLIP STYLE NUTS THAT RETAIN THE FRONT BUMPERS TO THE FRONT BUMPER INNER ARMS CAN FRACTURE.

Consequence & remedy

Consequence: IF ONE OF THE U-CLIP NUTS FRACTURES, THE BUMPER WILL LOOSEN AND RATTLE CAUSING FRACTURE OF THE REMAINING U-CLIP NUTS, RESULTING IN SEPARATION OF THE BUMPER FROM THE VEHICLE. IF THE BUMPER WERE TO DETACH FROM THE VEHICLE WHILE IT IS BEING DRIVEN, A VEHICLE COLLISION COULD RESULT.

Remedy: INSPECTION AND REPLACEMENT OF THE FOUR U-CLIP NUTS AND THE ASSOCIATED BOLTS.

93V125000 · Fuel System, Gasoline:storage:tank Assembly

Aug 2, 1993

A MALFUNCTIONING CHECK VALVE WITHIN THE FUEL PUMP ASSEMBLY CAUSES A PORTION OF THE UNUSED FUEL FROM ONE TANK TO BE RETURNED TO THE SECOND TANK. WHEN THIS OCCURS, THE CAPACITY OF THE SECOND TANK CAN BE EXCEEDED, CAUSING FUEL SPILLAGE.

Consequence & remedy

Consequence: SPILLED FUEL CAN RESULT IN A FIRE WHEN EXPOSED TO ASOURCE OF IGNITION.

Remedy: REPLACEMENT OF THE FUEL PRESSURE REGULATOR AND INSTALLATION OF REDUNDANT CHECK VALVES.

93V089000 · Power Train:transfer Case (4-WHEEL Drive)

May 17, 1993

THE TRANSFER CASES HAVE BEEN BUILT WITH THE WRONG ELECTRIC SHIFT MOTOR. THE TRANSFER CASES CAN SLIP OUT OF THE 4 X 4 HIGH GEAR POSITION DURING COASTING IN FORWARD GEARS OR WITH POWER APPLIED IN REVERSE GEAR.

Consequence & remedy

Consequence: IF THIS OCCURS, THE VEHICLE CAN ROLL FREELY AS IF INNEUTRAL POSITION REGARDLESS OF THE TRANSMISSION GEAR SELECTOR POSITION. THIS CANRESULT IN LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

Remedy: REPLACE DEFECTIVE TRANSFER CASES WITH THE CORRECT VERSION.

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

2

EA99032 · Dual Fuel Tank Crossflow/leakage

Opened Nov 4, 1999 · Closed Dec 6, 2001

Status: closed (inferred from source dates) · Vehicle Speed Control:linkages

ON JULY 14, 1993 FORD FILED A DEFECT INFORMATION REPORT CONCERNING FUEL TANK CROSS FLOW LEAKAGE ON F-SERIES LIGHT TRUCKS AND CAB CHASSIS BUILT FROM JULY 22, 1989 THROUGH DECEMBER 17, 1992.THE REMEDY WAS TO REPLACE THE FUEL PRESSURE REGULATOR AND INSTALL A CHECK VALVE BETWEEN EACH FUEL SUPPLY LINE AND FUEL TANK (2) TO REPAIR THE SUPPLY SIDE FUEL CROSS FLOW PROBLEM (RECALL 93V-125).ODI OPENED RQ98-008 ON MAY 29, 1998 BECAUSE OF THE LARGE NUMBER OF ALLEGED REMEDY FAILURES AND REPORTS OF FUEL CROSS FLOW ON VEHICLES OUTSIDE OF THE RECALL POPULATION.BASED ONTHE INFORMATION RECEIVED FROM FORD ON AUGUST 11, SEPTEMBER 30, AND DECEMBER 15, 1998, AND THE INCREASING TREND OF REMEDY FAILURES AND OUT OF SCOPE CROSSFLOW REPORTS, ODI OPENED EA99-032 ON NOVEMBER 4, 1999.THE ATTACHED ENGINEERING ANALYSIS CLOSING REPORT FULLY DESCRIBES THE RESULTS OF THIS INVESTIGATION AND REASON FOR CLOSING.THE SUBJECT VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO MALFUNCTIONS IN THE FUEL SYSTEM.WHEN FUEL IS PUMPED OR RETURNED TO THE NON-OPERATING TANK (CROSS FLOW), THE CAPACITY OF THE NON-OPERATING TANK CAN BE EXCEEDED, CAUSING FUEL TO OVERFLOW PAST THE FILLER CAP, CREATING A FIRE POTENTIAL.

Additional source detail variants (2)

Vehicle Speed Control:linkages

ON JULY 14, 1993 FORD FILED A DEFECT INFORMATION REPORT CONCERNING FUEL TANK CROSS FLOW LEAKAGE ON F-SERIES LIGHT TRUCKS AND CAB CHASSIS BUILT FROM JULY 22, 1989 THROUGH DECEMBER 17, 1992.THE REMEDY WAS TO REPLACE THE FUEL PRESSURE REGULATOR AND INSTALL A CHECK VALVE BETWEEN EACH FUEL SUPPLY LINE AND FUEL TANK (2) TO REPAIR THE SUPPLY SIDE FUEL CROSS FLOW PROBLEM (RECALL 93V-125).ODI OPENED RQ98-008 ON MAY 29, 1998 BECAUSE OF THE LARGE NUMBER OF ALLEGED REMEDY FAILURES AND REPORTS OF FUEL CROSS FLOW ON VEHICLES OUTSIDE OF THE RECALL POPULATION.BASED ONTHE INFORMATION RECEIVED FROM FORD ON AUGUST 11, SEPTEMBER 30, AND DECEMBER 15, 1998, AND THE INCREASING TREND OF REMEDY FAILURES AND OUT OF SCOPE CROSSFLOW REPORTS, ODI OPENED EA99-032 ON NOVEMBER 4, 1999.THE ATTACHED ENGINEERING ANALYSIS CLOSING REPORT FULLY DESCRIBES THE RESULTS OF THIS INVESTIGATION AND REASON FOR CLOSING.THE SUBJECT VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO MALFUNCTIONS IN THE FUEL SYSTEM.WHEN FUEL IS PUMPED OR RETURNED TO THE NON-OPERATING TANK (CROSS FLOW), THE CAPACITY OF THE NON-OPERATING TANK CAN BE EXCEEDED, CAUSING FUEL TO OVERFLOW PAST THE FILLER CAP, CREATING A FIRE POTENTIAL.

Vehicle Speed Control:linkages

ON JULY 14, 1993 FORD FILED A DEFECT INFORMATION REPORT CONCERNING FUEL TANK CROSS FLOW LEAKAGE ON F-SERIES LIGHT TRUCKS AND CAB CHASSIS BUILT FROM JULY 22, 1989 THROUGH DECEMBER 17, 1992.THE REMEDY WAS TO REPLACE THE FUEL PRESSURE REGULATOR AND INSTALL A CHECK VALVE BETWEEN EACH FUEL SUPPLY LINE AND FUEL TANK (2) TO REPAIR THE SUPPLY SIDE FUEL CROSS FLOW PROBLEM (RECALL 93V-125).ODI OPENED RQ98-008 ON MAY 29, 1998 BECAUSE OF THE LARGE NUMBER OF ALLEGED REMEDY FAILURES AND REPORTS OF FUEL CROSS FLOW ON VEHICLES OUTSIDE OF THE RECALL POPULATION.BASED ONTHE INFORMATION RECEIVED FROM FORD ON AUGUST 11, SEPTEMBER 30, AND DECEMBER 15, 1998, AND THE INCREASING TREND OF REMEDY FAILURES AND OUT OF SCOPE CROSSFLOW REPORTS, ODI OPENED EA99-032 ON NOVEMBER 4, 1999.THE ATTACHED ENGINEERING ANALYSIS CLOSING REPORT FULLY DESCRIBES THE RESULTS OF THIS INVESTIGATION AND REASON FOR CLOSING.THE SUBJECT VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO MALFUNCTIONS IN THE FUEL SYSTEM.WHEN FUEL IS PUMPED OR RETURNED TO THE NON-OPERATING TANK (CROSS FLOW), THE CAPACITY OF THE NON-OPERATING TANK CAN BE EXCEEDED, CAUSING FUEL TO OVERFLOW PAST THE FILLER CAP, CREATING A FIRE POTENTIAL.

RQ98008 · Ford F-SERIES Dual Fuel Tank Leakage

Opened May 29, 1998 · Closed Nov 4, 1999

Status: closed (inferred from source dates) · Fuel System, Gasoline:storage:tank Assembly

THESE VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO A MALFUNCTIONING FUEL PUMP.FROM THE INFORMATION GATHERED TO DATE, IT APPEARS THAT THERE CAN BE MULTIPLE CAUSES AND/OR A COMBINATION OF CAUSES FOR FUEL CROSS FLOW AND THAT THE RECALL REMEDY MAY BE INADEQUATE.FURTHER INVESTIGATION IS NEEDED.THIS INVESTIGATION IS UPGRADED TO EA99-032.CLICK ON DOCUMENT SEARCH BUTTON FOR ADDITIONAL INFORMATION.