2002 Mitsubishi Montero Sport Recalls, Problems & Maintenance

The 2002 Mitsubishi Montero Sport has no open NHTSA recalls. Owners report 8 recurring issue clusters, led by “Frame and undercarriage rust.” Mitsubishi publishes short, conservative intervals: oil every 7,500 miles normal / 3,750 severe, and — unlike many rivals — an explicit CVT fluid replacement schedule rather than a 'lifetime fill' claim. Read the severe-service column honestly: stop-and-go city trips, short hops, and hot climates all qualify, and they describe how most Mirages actually live. The 10-year/100,000-mile powertrain warranty stays intact only with documented on-schedule service.

Save this car as:

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 2002 Mitsubishi Montero Sport.

Reported to NHTSA

Frame and undercarriage rust

STRUCTURE

4 NHTSA complaints · 2013-05 → 2017-09

“THE CONTACT STATED THAT DURING A ROUTINE INSPECTION, THE CONTACT WAS ADVISED THAT THE FRAME WAS ROTTING AND THERE WERE TWENTY TWO INCH-LONG FRACTURES FOUND IN THE FRAME”
— Owner report, NHTSA ODI #10511130
“BROUGHT 2002 MONTERO SPORT FOR INSPECTION INSPECTOR TOLD ME THE REAR FRAME AND UNDERCARRIAGE WAS ROTTEN VEHICLE WAS NOT TO BE DRIVEN”
— Owner report, NHTSA ODI #10572507
“FRAME AND UNDERCARRIAGE ROT/RUST”
— Owner report, NHTSA ODI #10651571

Read all complaints on NHTSA →

Brake pedal and braking loss, booster and line failures

SERVICE BRAKES, HYDRAULIC

5 NHTSA complaints · 2002-05 → 2017-09

“WHILE DRIVING 45MPH AND WITHOUT WARNING, APPLIED BRAKES; HOWEVER, BRAKES WERE INOPERABLE, RESULTING IN AN ACCIDENT”
— Owner report, NHTSA ODI #8012029
“ONE DAY WHILE DRIVING WHEN I APPLIED THE BRAKE THE PEDAL WENT ALL THE WAY TO THE FLOOR”
— Owner report, NHTSA ODI #10968765
“MY MECHANIC SAID THAT THE HYDRAULIC BRAKE BOOSTER HAS BEEN MANUFACTURED IMPROPERLY WHICH RESULTED IN LEAKAGE OF THE PRESSURIZED NITRGEN GAS FROM INSIDE THE ACCUMULATOR”
— Owner report, NHTSA ODI #11022029

Read all complaints on NHTSA →

Engine oil sludge and oil pump failure

ENGINE AND ENGINE COOLING

3 NHTSA complaints · 2004-01 → 2005-10

“HARD KNOCKING NOISE AND OIL LAMP ON IMMEDIATELY AFTER OIL HAS BEEN CHANGED”
— Owner report, NHTSA ODI #10139995
“THE OIL PUMP HAS ALSO GONE BAD ON THIS 2002 MITSUBISHI MONTERO SPORT, WITH 62,000 MILES”
— Owner report, NHTSA ODI #10054255

Read all complaints on NHTSA →

Tire blowouts while driving

TIRES

3 NHTSA complaints · 2002-11 → 2002-12

“WHILE DRIVING AT 30 MPH AND WITHOUT WARNING FRONT PASSENGER SIDE TIRE BLOWOUT”
— Owner report, NHTSA ODI #10001690
“ON MAY 21, 2002 MY TWO RIGHT TIRES BLEW OUT WHILE I WAS GOING APPROXIMATELY 30 MPH”
— Owner report, NHTSA ODI #769219

Read all complaints on NHTSA →

Windshield wiper arm detaching from mount

VISIBILITY

2 NHTSA complaints · 2005-06 → 2010-02

“HE STATED THAT WHILE DRIVING 60 MPH WHEN IT WAS RAINING AND THE WIPERS WERE ON, THE LEFT SIDE WINDSHIELD WIPER EXTENDED OFF OF THE WINDSHIELD BUT IT WAS STILL ATTACHED TO THE WIPER MOTOR”
— Owner report, NHTSA ODI #10314375
“WHEN THE CONSUMER GOT OUT OF VEHICLE TO ADJUST THE PROBLEM HE NOTICED IT WAS LOOSE FROM THE BOLT MOUNT”
— Owner report, NHTSA ODI #10125393

Read all complaints on NHTSA →

Air bags not deploying in crashes

AIR BAGS

10 NHTSA complaints · 2002-12 → 2010-11

“NO AIR BAGS DEPLOYED AFTER ACCIDENT EVEN AFTER VEHICLE FLIPPED OVER”
— Owner report, NHTSA ODI #10142065
“WE REAR-ENDED A 4RUNNER AT 45 MPH AND THE FRONT AIR BAGS NEVER DEPLOYED”
— Owner report, NHTSA ODI #10182309
“THE FRONT PASSENGER AIR BAG PARTIALLY DEPLOYED BUT THE DRIVER SIDE FRONT AIR BAG DID NOT DEPLOY AT ALL”
— Owner report, NHTSA ODI #10368103

Read all complaints on NHTSA →

Horn sounding without input, linked to air bag wiring

ELECTRICAL SYSTEM

5 NHTSA complaints · 2007-02 → 2015-10

“DURING COLD WEATHER (APPROXIMATELY 20 DEGREES C AND BELOW) THE HORN STARTS BLOWING AND WON'T TURN OFF UNLESS THE BATTERY IS DISCONNECTED OR THE CAR INTERIOR HAS WARMED UP”
— Owner report, NHTSA ODI #10181825
“THE HORN SOUNDS FOR NO REASON, WHEN THE TEMPERATURE DROPS BELOW 55DEGREES”
— Owner report, NHTSA ODI #10421099
“WHEN THE STEERING WHEEL WAS TURNED LEFT OR RIGHT AT A CERTAIN ANGLE, THE HORN OF THE VEHICLE ACTIVATED INDEPENDENTLY”
— Owner report, NHTSA ODI #10785008

Read all complaints on NHTSA →

Crankshaft bolt and pulley failure

ENGINE AND ENGINE COOLING

2 NHTSA complaints · 2008-01 → 2021-08

“CRANSKHAFT BOLT SHEARED OFF WHILE DRIVING AT HIGHWAY SPEEDS CAUSING LOSS OF POWER STEERING ON ICY ROADS”
— Owner report, NHTSA ODI #10214082
“Went and got new ones and noticed when trying to put the mew belts on the bolt on the crankshaft pulley was loose and the pin was broken making that pulley loose”
— Owner report, NHTSA ODI #11427619

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 every 7,500 miles normal / 3,750 severe. Mirage's 1.2L three-cylinder holds barely over 3 quarts — small sumps punish stretched intervals. 0W-20 on most recent models.

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.

CVT Fluid

Every 60,000 mi

Mitsubishi schedules CVT fluid replacement — commonly every 60,000 miles normal / 30,000 severe (check your year's table). Use only the specified CVT fluid (J4/CVTF-J4 family); generic ATF destroys the belt-and-pulley unit.

Estimated cost — typical U.S. ranges

Dealer

~$360–$500

Shop

~$255–$355

DIY

~$80–$180

CVT fluid is manufacturer-specific and pricey — do NOT substitute conventional ATF.

Tire Rotation

Every 7,500 mi

Rotate with every oil change. Light Mirages are easy on tires but the economy-focused OEM rubber wears fast when neglected.

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 7,500 mi

Inspect pads, rotors/drums, and lines at each service — Mirage G4 retains rear drums, which need periodic adjustment checks.

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 30,000 mi

Replace every 2-3 years per the schedule. Cheap job, big ABS-unit insurance.

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

Spark Plugs

Every 60,000 mi

Iridium plugs commonly every 60,000 miles on the Mirage's 3A92 and Lancer's 4B11 — verify your year's table, as some engines list up to 105,000.

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 Air Filter

Every 15,000 mi

Mitsubishi's schedule replaces the engine air filter every 15,000 miles — shorter than most brands, and a 5-minute DIY on the Mirage.

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.

Drive Belt

Every 60,000 mi

Inspect from 60,000 miles and replace on cracking. The Mirage's single serpentine belt also drives the A/C — a failure strands the car's accessories at once.

Estimated cost — typical U.S. ranges

Dealer

~$195–$235

Shop

~$135–$165

DIY

~$20–$50

DIY-friendly if you can reach the tensioner. Inspect for cracks rather than swap on a strict mileage interval.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 15,000 mi

Replace every 15,000 miles, behind the glovebox. Often skipped at quick-lube visits — worth checking if airflow feels weak.

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.

Coolant Replacement

Every 60,000 mi

First change around 60,000 miles, then roughly every 30,000-45,000 per the schedule. Mitsubishi long-life coolant or equivalent OAT for your year.

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.

Battery Test & Service

Every 25,000 mi

Test annually after year 3. Small-battery economy cars have little reserve — the first cold snap finds a weak one.

Estimated cost — typical U.S. ranges

Dealer

~$225–$390

Shop

~$160–$280

DIY

~$130–$250

Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

161 crashes 1990–2024

How the 161 occupant deaths break down

96

driver deaths

65

passenger deaths

161

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2001 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.

15

complaints mentioning a crash

0

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 2002 Mitsubishi Montero Sport reflects Mitsubishi's published service intervals. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.