2003 Ford Explorer Sport Trac Recalls, Problems & Maintenance

The 2003 Ford Explorer Sport Trac has no open NHTSA recalls. Owners report 6 recurring issue clusters, led by “Transmission slipping, hard shifting, and failure.” Ford uses the Intelligent Oil-Life Monitor (IOLM) to determine when oil changes are due based on actual driving load — not just mileage. Ford's published cap is 10,000 miles or 1 year, whichever comes first. The schedule below reflects Ford's Normal service intervals; F-Series trucks and Super Duty have additional towing-specific items.

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No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues & problems for this vehicle

What drivers and federal regulators have officially reported about the 2003 Ford Explorer Sport Trac.

Reported to NHTSA

Transmission slipping, hard shifting, and failure

POWER TRAIN

34 NHTSA complaints · 2014-01 → 2017-05

“I HAVE HAD TO HAD THE TRANSMISSION REPLACED 3 TIMES SO FAR ON THIS VEHICLE. AFTER LOOKING ONLINE AND TALKING TO THE TRANSMISSION SHOPS IN THE AREA, THIS SEEMS TO BE A PROBLEM (AT LEAST FOR THE FORD OWNER) WITH THIS YEAR OF THE FORD TRANSMISSION”
— Owner report, NHTSA ODI #10594523
“TRANSMISSION SHIFTS HARD AND CLUNKS, IS NOT SAFE TO DRIVE. THE ESTIMATE REPAIR IS AROUND $ 3,400. WILL NEVER BUY A FORD AGAIN”
— Owner report, NHTSA ODI #10984485
“TRANSMISSION OD LIGHT FLASHING, SLAMMING INTO GEAR WHILE SHIFTING. WE HAD THE PAN DROPPED AND FOUND PIECES OF THE GEARS INSIDE... NEED A TOTAL REBUILD OR NEW TRANSMISSION”
— Owner report, NHTSA ODI #10608900

Read all complaints on NHTSA →

Wheel separation from sheared lug nuts or bearing failure

WHEELS

11 NHTSA complaints · 2014-04 → 2021-10

“The contact pulled off the road and noticed that three of the wheel studs on the driver’s side rear wheel had sheared off”
— Owner report, NHTSA ODI #11438348
“WHILE DRIVING 55 MPH, THE LUG NUTS BECAME DETACHED FROM THE REAR PASSENGER WHEEL, WHICH CAUSED THE VEHICLE TO SHAKE VIOLENTLY”
— Owner report, NHTSA ODI #11005182
“THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THE LUG NUTS SHEARED OFF THE WHEELS CAUSING THE REAR PASSENGER TIRE TO BECOME DETACHED FROM THE VEHICLE”
— Owner report, NHTSA ODI #10663533

Read all complaints on NHTSA →

Seat belt retractor failure jamming door lock

SEAT BELTS

4 NHTSA complaints · 2014-10 → 2018-08

“THE PROBLEM THE SEAT BELTS DOES NOT HAVE ENOUGH TENSION TO RETRACT CONSEQUENTLY GETTING ON THE DOOR LOCK MECHANISM, CAUSING THE DOOR NOT TO LOCK, TO STAY OPEN UNSECURED ALSO DAMAGING THE SEAT BELT”
— Owner report, NHTSA ODI #11115327
“THE PROBLEM WITH SEAT BELTS DOES NOT HAVE ENOUGH TENSION TO RETRACT THE HARNESS CAUSING TO STAY BY THE DOOR AND NOT CLOSING GOOD, IT MEANS THE BELTS IT IS BY THE DOOR MECHANISM JAMMING THE LOCK AND NOT LOCKING PROPERLY ON DRIVER OR PASSENGER SIDE”
— Owner report, NHTSA ODI #10789590
“THE PROBLEM WITH THE SEAT BELTS DOES NOT HAVE ENOUGH RETRACTION FORCE LIKE IT USED TO BE, THEY HANG OUT, DAMAGING THE DOOR LOCKING MECHANISM AND DOOR SEAL, DRIVER AND PASSENGER SIDE”
— Owner report, NHTSA ODI #10649313

Read all complaints on NHTSA →

Liftgate hinge fracture and rear glass shatter

STRUCTURE

53 NHTSA complaints · 2014-01 → 2022-08

“AWOKE THE MORNING OF MAY 10, 2017 TO FIND THE ENTIRE BACK LIFTGATE AND WINDOW EXPLODED OUTWARDS AND INWARDS OF OUR FORD EXPLORER”
— Owner report, NHTSA ODI #10984673
“WHILE ACCESSING THE POWER LIFTGATE, THE HINGES FRACTURED AND CAUSED THE DOOR TO ABRUPTLY CLOSE. THERE WERE NO INJURIES”
— Owner report, NHTSA ODI #10762037
“ON THE MORNING OF 1/29/14 I WAS AT THE MARKET ,CAME OUT TO LOAD MY ITEMS INTO THE VEHICLE , OPENED THE REAR LIFT GATE AT ABOUT THE 1/3 OPEN POINT THE GLASS EXPLODED INTO A MILLION PIECES”
— Owner report, NHTSA ODI #10562975

Read all complaints on NHTSA →

Air bag failure to deploy or unexpected deployment

AIR BAGS

19 NHTSA complaints · 2014-03 → 2021-06

“The driver was driving down the expressway and her back tire blew out causing her vehicle to spiral out of control and the vehicle then flipped and started rolling downhill, the vehicle airbags did not deploy in the vehicle at all”
— Owner report, NHTSA ODI #11421035
“WHILE DRIVING 35 MPH, ANOTHER VEHICLE CRASHED INTO THE FRONT END OF THE CONTACT'S VEHICLE. THE FRONT DRIVER SIDE AIR BAG FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURIES TO THE HEAD, BACK, AND KNEES THAT REQUIRED MEDICAL ATTENTION”
— Owner report, NHTSA ODI #10884518
“IN THE EARLY MORNING HOURS OF DECEMBER 11, I WAS DRIVING TO WORK WHEN WITHOUT WARNING BOTH SIDE CURTAIN AIR BAGS DEPLOYED”
— Owner report, NHTSA ODI #10667214

Read all complaints on NHTSA →

Engine stall while driving, loss of steering or brakes

ENGINE

15 NHTSA complaints · 2014-03 → 2018-11

“ENGINE STOPS WHILE DRIVING (STALLS IN MOTION WHILE TURNING ON STREET AND HIGHWAY) RESTARTS WITHOUT PROBLEM, HAS HAPPENED TWICE NOW 30 DAYS APART”
— Owner report, NHTSA ODI #11145326
“2003 FORD EXPLORER, WHILE DRIVING THROUGH TOWN I STARTED TO SLOW DOWN FOR A GROUP OF KIDS WAITING TO USE A CROSS WALK WHEN THE EXPLORER SHUT DOWN & LOST ALL POWER TO CONTROL BRAKES AND STEERING ALMOST HITTING THE KIDS”
— Owner report, NHTSA ODI #10875755
“MY TRUCK JUST WENT OUT OF WARRANTY BY 5,000 MILES AND I WAS DRIVING AND HIT A BUMP AND MY #3 SPARK PLUG BLEW OUT OF THE ENGINE”
— Owner report, NHTSA ODI #10631395

Read all complaints on NHTSA →

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 20, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Raw data + downloads for this vehicle →

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter

Every 7,500 mi

Replace synthetic-blend or full-synthetic Motorcraft oil per the IOLM, or every 7,500-10,000 miles. EcoBoost engines require full synthetic; Coyote 5.0L V8 specifies SAE 5W-30.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 10,000 mi

Rotate tires every 10,000 miles, or with every other oil change. F-150 4x4 owners should rotate every 5,000-7,500 miles to even out drivetrain bias wear.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 10,000 mi

Inspect brake pads, rotors, and brake fluid level every 10,000 miles. Front pads on F-150 and Explorer typically last 40,000-60,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 45,000 mi

Ford specifies brake fluid replacement on an inspection basis, but moisture testing every 3 years is recommended. Replace if reading exceeds 3% water content.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Engine Air Filter

Every 30,000 mi

Replace the engine air filter every 30,000 miles. EcoBoost turbocharged engines are sensitive to airflow restriction — don't extend.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Automatic Transmission Fluid

Every 150,000 mi

Ford 6R80, 10R80, and 8F transmissions use Mercon LV fluid rated 150,000 miles under normal service. Severe service (towing, plowing) drops this to 60,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Transfer Case Fluid (4WD models)

Every 60,000 mi

On 4x4 models, replace transfer case fluid every 60,000 miles. Use Motorcraft XL-12 — do not substitute generic transfer case fluid.

Estimated cost — typical U.S. ranges

Dealer

~$105–$140

Shop

~$75–$100

DIY

~$15–$40

AWD/4WD vehicles only. Easy drain-and-fill on most platforms.

Rear Differential Fluid

Every 100,000 mi

F-Series and Expedition: replace rear axle fluid every 100,000 miles, or 50,000 miles if towing. Limited-slip rear ends require friction-modifier additive.

Estimated cost — typical U.S. ranges

Dealer

~$150–$195

Shop

~$105–$135

DIY

~$20–$50

Drain plug + fill plug — straightforward DIY. AWD vehicles have two; budget for both.

Spark Plugs

Every 100,000 mi

Iridium spark plugs on Coyote 5.0L, EcoBoost 2.7L/3.5L, and 2.3L are rated 100,000 miles. EcoBoost engines: never exceed the interval — gap erosion causes coil failure.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Engine Coolant

Every 50,000 mi

Motorcraft Orange (Dex-Cool compatible) coolant: first change at 100,000 miles, then every 50,000. Older trucks with Yellow Motorcraft coolant: 50,000 miles throughout.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 20,000 mi

Replace the cabin air filter every 20,000 miles. On F-150, located behind the glove box; on Escape and Explorer, accessed from the passenger footwell.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

143 crashes 1990–2024

How the 143 occupant deaths break down

101

driver deaths

42

passenger deaths

143

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2003 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.

Why we show driver deaths too

Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.

Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.

IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

69

complaints mentioning a crash

19

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2003 Ford Explorer Sport Trac reflects Ford's published service intervals and the Intelligent Oil-Life Monitor system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.