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2003 Mitsubishi Galant Recalls, Problems & Maintenance

The 2003 Mitsubishi Galant has no open NHTSA recalls. Owners report 8 recurring issue clusters, led by “Heater control valve or motor failure with no heat.” 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.

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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 Mitsubishi Galant.

Reported to NHTSA

Heater control valve or motor failure with no heat

VISIBILITY

53 NHTSA complaints · 2006-03 → 2014-08

“THE HEATER CONTROL VALVE BEGAN MAKING CLICKING NOISES ABOUT A MONTH AGO IN MY 2003 MITSUBISHI GALANT V6 LS. THE CAR HAS ONLY 59,000 MILES ON IT”
— Owner report, NHTSA ODI #10360226
“HEAT STOPPED WORKING DUE TO A FAULTY HEAT CONTROL VALVE. FIRST IT STARTED MAKING A CLICKING NOISE AND NOW I HAVE NO HEAT AT ALL”
— Owner report, NHTSA ODI #10369597
“IT STARTED WITH A CLICKING NOISE WHEN I TURNED THE TEMPERATURE CONTROL KNOB FROM COLD TO HOT. NOW THE HEATER ONLY BLOWS COLD AIR”
— Owner report, NHTSA ODI #10213828

Read all complaints on NHTSA →

Exterior paint fading and peeling

STRUCTURE

20 NHTSA complaints · 2007-08 → 2012-06

“I AM WRITING TO COMPLAIN ABOUT THE PAINT ON THE EXTERIOR OF MY 2003 MITSUBISHI GALANT. IT IS BLACK AND HAS BEGUN TO TURN WHITE AND PEEL”
— Owner report, NHTSA ODI #10283871
“I AM AN OWNER OF A 2003 MITSUBISHI GALANT (BLACK). MY PAINT STARTED FADING/OXIDIZING ABOUT A YEAR AGO”
— Owner report, NHTSA ODI #10274939
“ON THE DRIVER SIDE OF THE ROOF AND HOOD, THE PAINT IS FADING FROM DARK BLACK TO LIGHT GRAY. THE FADING WORSENS AFTER THE VEHICLE IS WASHED”
— Owner report, NHTSA ODI #10229714

Read all complaints on NHTSA →

Brake rotor warping and vibration

SERVICE BRAKES, HYDRAULIC

7 NHTSA complaints · 2004-04 → 2007-05

“BOUGHT 2003 GALANT NEW. WITH 54,000 JUST REPLACED BRAKE ROTORS FOR THE 2ND TIME. BRAKES STILL GOOD, BUT ROTORS WARPED, CAUSING WHEEL SHIMMY WHEN BRAKING AND TIRE CUPPING”
— Owner report, NHTSA ODI #10190966
“BRAKES VIBRATE WHEN APPLIED. I HAVE RETURNED MY '03 DIAMONTE FOUR TIMES FOR REPAIRS AND EACH TIME THEY STATE THAT THE ROTORS WERE WARPED AND EITHER REPLACED OR MACHINED THEM”
— Owner report, NHTSA ODI #10098895
“BRAKE ROTOR GETTING WARPED CAUSING VIBRATIONS, MACHINED(LATHE) EACH TIME AND I WANTED NEW ROTORS. IT HAPPENED AT AROUND 18,000 AND 9 MONTHS LATER 24,000 SAME PROBLEM”
— Owner report, NHTSA ODI #10163385

Read all complaints on NHTSA →

Front seat sliding and seat breakage

SEATS

5 NHTSA complaints · 2003-08 → 2010-02

“I HIT A DEER DUE TO NOT BEING ABLE TO STOP BECAUSE MY SEAT UNLOCKED AND SLID BACK ALL THE WAY, THAN I HIT THE DEER AND WRECKED MY WHOLE FRONT END”
— Owner report, NHTSA ODI #10313815
“I RENTED A CAR AND THE DRIVER SEAT KEPT SLIDING BACK. IT WOULD NOT LATCH INTO PLACE. IT OCCURRED MOST WHEN PRESSING ON THE BRAKE PEDAL”
— Owner report, NHTSA ODI #10032879
“ON 8/23/2003 I WAS HIT IN THE REAR BY A MINI VAN. THE FRONT SEATS OF THE GALANT SLID BACK AND THE SEATS WERE BROKEN”
— Owner report, NHTSA ODI #10036952

Read all complaints on NHTSA →

Automatic transmission slipping and shifting faults

POWER TRAIN

4 NHTSA complaints · 2003-07 → 2005-09

“THE GEARS DO NOT CONNECT LIKE THEY SHOULD. SOMETIMES THE GEARS DO NOT RESPOND AT ALL”
— Owner report, NHTSA ODI #10109467
“THE CONSUMER BELIEVES THE VEHICLE'S TRANSMISSION WAS SLIPPING. THE VEHICLE WAS TAKEN TO THE DEALER AND REPAIRS WERE MADE. TEN DAYS AFTER REPAIRS THE TRANSMISSION BEGAN TO SLIP AGAIN”
— Owner report, NHTSA ODI #10040162
“I WAS INFORMED THAT THERE WAS A PROBLEM WITH THE TRANSMISSION. THE DEALER KEPT THE VEHICLE FOR APPROX 3 WEEKS TO MAKE THE REPAIRS”
— Owner report, NHTSA ODI #10025249

Read all complaints on NHTSA →

Air bags not deploying in collisions

AIR BAGS

10 NHTSA complaints · 2004-04 → 2014-05

“AIRBAGS DIDN'T DEPLOY IN MY 2003 GALANT ES. I HIT A STOPPED VEHICLE, WHILE MOVING APPROXIMATELY 25 MPH, HEAD-ON INTO THE PASSENGER SIDE OF THE OTHER CAR”
— Owner report, NHTSA ODI #10098657
“REAR ENDED A SUV FRONT END OF 2003 GALANT WAS WRECKED. AIRBAGS NEVER DEPLOYED. I WAS WEARING MY SAFETY BELT”
— Owner report, NHTSA ODI #10197527
“THE CONSUMER STATED ON OCTOBER 17, 2005 CONSUMER'S VEHICLE WAS INVOLVED IN A HEAD ON COLLISION. UPON IMPACT, THE DRIVER'S SIDE AIR BAG DID NOT DEPLOY”
— Owner report, NHTSA ODI #10140004

Read all complaints on NHTSA →

Horn sounding without driver input

ELECTRICAL SYSTEM

5 NHTSA complaints · 2006-05 → 2015-04

“ON THE NEXT DAY, THE HORN SOUNDED OFF SPONTANEOUSLY WHILE SITTING IN THE DRIVEWAY OVERNIGHT AND WOULD NOT TURN OFF, REQUIRING ME TO PULL THE FUSE IN ORDER TO STOP THE SOUND”
— Owner report, NHTSA ODI #10166204
“IN 2007, HORN WOULD JUST BLOW ON IT'S OWN AT RANDOM TIMES”
— Owner report, NHTSA ODI #10238826
“THE HORN WHICH IS PART OF THE AIRBAG STAYED ON WHEN I USED MY KEYLESS ENTRY REMOTE TO LOCK THE CAR. I HAD TO HIT THE HORN BUTTON IN THE STEERING WHEEL TO MAKE IT STOP”
— Owner report, NHTSA ODI #10712563

Read all complaints on NHTSA →

Smoke and fire from front passenger door

ELECTRICAL SYSTEM

3 NHTSA complaints · 2007-09 → 2013-08

“MY PASSENGER SIDE DOOR STARTED SMOKING AND IT MELTED THE WINDOW WIRING AND DOOR LOCK CLICKER AND THE MOTOR IN THE WINDOW AND MELTED THE DOOR A LITTLE BIT”
— Owner report, NHTSA ODI #10203896
“IMMEDIATELY, AFTER STARTING THE ENGINE THE POWER WINDOW CONTROL MECHANISM WAS ACTIVATED IN THE DOWNWARD POSITION ON THE FRONT PASSENGER SIDE. THERE WAS A STRONG BURNING SMELL AND A CRACKLING NOISE”
— Owner report, NHTSA ODI #10266457
“A FEW MINUTES LATER, I SAW FIRE COMING OUT OF THE LOUDSPEAKER ON THE FRONT RIGHT DOOR”
— Owner report, NHTSA ODI #10536949

Read all complaints on NHTSA →

Issues on other model years

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)

160 crashes 1990–2024

How the 160 occupant deaths break down

107

driver deaths

53

passenger deaths

160

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2002 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.

17

complaints mentioning a crash

4

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 Mitsubishi Galant 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.

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