2002 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
2002 · All trims · All engines
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2002 Ford Explorer has 16 documented known issues, with 6 rated critical. The most serious are Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake') ($400-$3,500 repair), 4.6L 2-Valve Triton V8 Spark Plug Ejection / Stripped Head Threads (TSB 07-21-2) ($150-$1,500 repair), Cruise Control Deactivation Switch Brake Fluid Leak and Underhood Fire Risk ($0-$250 repair), Rear Coil Spring Rust and Fracture Causing Sudden Ride-Height Drop and Tire Puncture Risk ($250-$750 repair), 5R55W/5R55S Transmission Servo Bore Wear Causing Flare, Slip, and Delayed Reverse ($900-$3,500 repair) and Timing Chain Cassette and Guide Failure on 4.0L SOHC V6 ($1,800-$4,500 repair). Across all issues with published estimates, repair costs range from $40 to $4,500. DIY maintenance guides at au7o.io.
EQUIPMENT
MARATHON IS RECALLING CERTAIN SEAT COVERS, BRAND SUPERHIDES WITH PART NUMBERS 593, 594, 578, 960, 228, 228-09, 267-08, 333, 625, AND 630, SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE SEAT COVERS ARE MADE OF HEAVIER THREAD AND ARE NOT COMPATIBLE WITH SEATS CONTAINING SIDE AIRBAGS. THE HEAVIER SEAT COVER COULD INTERFERE WITH FULL DEPLOYMENT OF THE AIRBAG IN THE EVENT OF A CRASH.
VISIBILITY:GLASS, SIDE/REAR
CERTAIN CURVED TEMPERED REPLACEMENT GLASS MANUFACTURED BY HANGZHOU SAFETY GLASS LTD AND SUPPLIED TO SAFELITE BY AUTO TEMP INC., IDENTIFIED AS DOT-430, AND SOLD FOR USE ON CERTAIN DOMESTIC AND FOREIGN VEHICLES MAY NOT BREAK INTO SMALL PIECES AS EXPECTED OF TEMPERED GLASS AND FAILS TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 205, "GLAZING MATERIALS."
POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH THE 4.6L ENGINE AND 6R TRANSMISSION, THE BOLT SECURING THE TRANSMISSION OIL COOLER LINE FITTINGS AT THE TRANSMISSION MAY NOT HAVE BEEN SUFFICIENTLY TORQUED DURING VEHICLE ASSEMBLY. AS A RESULT, THE BOLT MAY LOOSEN AND THE TRANSMISSION OIL COOLER LINES MAY DISENGAGE FROM THE TRANSMISSION, CAUSING A TRANSMISSION FLUID LEAK.
STEERING
ON CERTAIN SPORT UTILITY VEHICLES, THE TWO BOLTS THAT ATTACH THE STEERING GEAR ASSEMBLY TO THE FRAME MAY HAVE BEEN OVER-TIGHTENED. THIS CONDITION COULD RESULT IN ONE OR BOTH OF THE BOLTS FRACTURING, CAUSING THE STEERING GEAR TO BECOME LOOSE.
EXTERIOR LIGHTING
CERTAIN CK MOTORSPORTS COMBINATION HEADLIGHTS, CLEAR CORNER, BUMPER, AND SIDE MARKER LIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON THE PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2002 Ford Explorer has 16 documented issues. The most frequently reported are: Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake'), 4.6L 2-Valve Triton V8 Spark Plug Ejection / Stripped Head Threads (TSB 07-21-2), Cruise Control Deactivation Switch Brake Fluid Leak and Underhood Fire Risk. Of these, 6 are rated critical and should be addressed promptly.
The 2002 Ford Explorer has 16 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 6 issues are rated critical: Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake') and 4.6L 2-Valve Triton V8 Spark Plug Ejection / Stripped Head Threads (TSB 07-21-2) and Cruise Control Deactivation Switch Brake Fluid Leak and Underhood Fire Risk and Rear Coil Spring Rust and Fracture Causing Sudden Ride-Height Drop and Tire Puncture Risk and 5R55W/5R55S Transmission Servo Bore Wear Causing Flare, Slip, and Delayed Reverse and Timing Chain Cassette and Guide Failure on 4.0L SOHC V6. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Ford Explorer issues range from $0 to $4,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Internal Radiator Transmission Cooler Rupture Causing Coolant/ATF Cross-Contamination ('Pink Milkshake'), typically costs $400-$3,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The factory radiator integrates the automatic transmission fluid cooler in an internal tank inside one end of the radiator. Over time the barrier between the coolant side and the ATF side cracks or the internal fittings leak, letting the two fluids mix. Coolant pushed into the tr… Repairs typically run $400-$3,500. Severity: high.
The optional 4.6L 2-valve modular V8 (shared with the Mercury Mountaineer) has aluminum heads that engage only a few spark-plug threads (~0.25 in). Under thermal cycling the plug can strip the threads and eject from the head, sometimes blowing out the coil boot with it. Ford ackn… Repairs typically run $150-$1,500. Severity: high.
Many Ford vehicles of this era, including the Explorer, were subject to recalls for the speed control deactivation switch mounted on the brake master cylinder. The switch can leak brake fluid internally, overheat, and in some cases cause an underhood fire even when the vehicle is… Repairs typically run $0-$250. Severity: high.
On the 2002-2005 independent-rear-suspension Explorer/Mountaineer the rear coil springs corrode and snap into pieces, sometimes with almost no off-road use, pointing to a manufacturing/coating defect. A broken spring drops that corner with a loud bang, and the fractured end can m… Repairs typically run $250-$750. Severity: high.
A very common failure on third- and fourth-generation Explorers with the 5R55W/5R55S automatic is wear in the overdrive and intermediate servo bores inside the transmission case. As the bores wear, hydraulic pressure leaks past the servo pistons, leading to 2-3 flare, 3-5 flare,… Repairs typically run $900-$3,500. Severity: high.
The 4.0L SOHC Cologne V6 is notorious for timing chain guide and cassette failures, especially the rear cassette that is difficult to access with the engine installed. Plastic guide material breaks down over time, causing startup rattle, persistent chain noise, cam timing errors,… Repairs typically run $1,800-$4,500. Severity: high.
On 4.0L Explorers (both the OHV Cologne and the later SOHC V6) P1506 is a common high-idle complaint on higher-mileage trucks. The idle air control valve sits on the throttle body and meters bypass air around the closed throttle plate. Crankcase vapour routed through the PCV syst… Repairs typically run $120-$420. Severity: medium.
The 4.0L SOHC V6 is notorious for lean-bank codes P0171 and P0174 caused by unmetered air leaks rather than a dirty MAF. The plastic upper intake manifold and its rubber O-ring gaskets, plus the heat-degraded PCV elbow/hose near the throttle body, crack and collapse under vacuum,… Repairs typically run $120-$600. Severity: medium.
Rear wheel bearing and hub assemblies are a frequent wear/failure item on independent rear suspension Explorers from this period. Owners commonly report a humming or growling noise that increases with road speed and can be mistaken for tire noise or differential problems. In some… Repairs typically run $250-$700. Severity: medium.
The independent front suspension on the 2002-2010 Explorer/Mountaineer uses upper control arms with pressed-in ball joints that wear out relatively early. Worn upper (and lower) ball joints produce a clunk over bumps, vague/loose steering, and cupped or inner-edge tire wear. On t… Repairs typically run $250-$750. Severity: medium.
The 2002-2005 Explorer/Mountaineer instrument panel cluster (IPC) suffers internal failures that cause fluttering, sticking or dead gauges — speedometer, tachometer, fuel and temperature — plus dim/dead odometer segments. Ford issued a Special Service Message noting some 2002-200… Repairs typically run $150-$600. Severity: medium.
Third-generation Explorers are well known for cracking in the rear liftgate applique panel beneath the glass, often around the Ford emblem area, and for corrosion at the liftgate glass hinges. Owners report visible cracks, rattles, water intrusion, and in more serious cases separ… Repairs typically run $300-$1,200. Severity: medium.
The 4.0L V6 uses a camshaft synchronizer (a gear-driven cylindrical housing that also drives the oil pump intermediate shaft) with the camshaft position sensor mounted on top. The plastic vane/'flag' on the synchronizer and the sensor's internal magnet wear or come apart, manglin… Repairs typically run $150-$500. Severity: medium.
The Differential Pressure Feedback EGR (DPFE) sensor on the 4.0L/4.6L Explorer has a very high failure rate past ~60k miles. Internal corrosion makes it under-report EGR flow, so the PCM sets P0401 (insufficient EGR flow) and can hold the EGR valve open too long, producing a lean… Repairs typically run $80-$350. Severity: low.
The 2002-2010 Explorer/Mountaineer/Sport Trac door handles use brittle plastic pivot pieces in the latch/handle mechanism. The exterior handle typically cracks first and jams the linkage, then the interior handle snaps when forced. Owners are eventually left with doors that won't… Repairs typically run $40-$300. Severity: low.
The cable-drive window regulators on the Explorer/Mountaineer/Sport Trac fail as their plastic cable guides crack and the steel lift cable frays or jumps off the drum. The window then binds, drops crooked, or falls down inside the door — the motor often still runs. The front door… Repairs typically run $120-$400. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
