NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
78 reports71,300 miles · Sep 20, 2004
Power TrainVisibility
1) SMELLED ANTIFREEZE BUT COULD NOT FIND A SOURCE. 2) HEATER COIL WAS LEAKING. 3) LEAKED ON A COMPUTER THAT CONTROLLED MY TRANSMISSION. WHY WOULD ANYONE PLACE AN ELECTRICAL PART UNDER A UNIT THAT HOLD A LIQUID? WHY WOULD THE ELECTRICAL PART NOT ENCASED IN A PROTECTIVE WRAP IF IT HAD TO BE PLACED NEXT TO A PRESSURIZED LIQUID…
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1) SMELLED ANTIFREEZE BUT COULD NOT FIND A SOURCE. 2) HEATER COIL WAS LEAKING. 3) LEAKED ON A COMPUTER THAT CONTROLLED MY TRANSMISSION. WHY WOULD ANYONE PLACE AN ELECTRICAL PART UNDER A UNIT THAT HOLD A LIQUID? WHY WOULD THE ELECTRICAL PART NOT ENCASED IN A PROTECTIVE WRAP IF IT HAD TO BE PLACED NEXT TO A PRESSURIZED LIQUID CARRING COIL? 4) I WAS CHARGED $1,125.00 TO FIX A PROBLEM CAUSED BY SORRY ENGINEERING. I LEARNED THAT MISUBISHI KNEW OF THE PROBLEM AND NEVER NOTIFIED THEIR CUSTOMERS. THERE SHOULD BE A RECALL AND MITSUBISHI SHOULD HAVE TO PAY FOR THE REPAIRS. ALL PARTS, HEATER COIL, TRANSMISSION REGULATING COMPUTER WERE REPLACED.*AK
NHTSA ODI #10091335
60,600 miles · Aug 30, 2004
Engine And Engine Cooling
WHILE DRIVING VEHICLE STALLED. CONSUMER WAS UNABLE TO RESTART VEHICLE, AND HAD IT TOWED TO THE DEALER FOR INSPECTION. MECHANIC DETERMINED THAT THE PULLEY BELT SHEARED OFF. THIS CAUSED THE VEHICLE NOT TO START. THE MECHANIC WILL REPLACE THE PART. *AK *TC
NHTSA ODI #10090068
32,000 miles · Jul 9, 2004
Visibility
THE WINDOWS KEPT FOGGING UP. NOTICE A PUDDLE IN THE FRONT PASSENGER SIDE FLOOR, AND NOTICED THE RADIATOR WAS LOW. PUDDLE OF THE FLOOR ENDED UP BEING ANTI-FREEZE. DEALER ADVISED THAT I NEED A NEW HEATER CORE AND THAT THEY ARE THE ONLY AUTHORIZED DEALER TO REPLACE IT. WAS NOT UNDER WARRENTLY DUE TO MILAGE ON THE CAR. THEY REP…
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THE WINDOWS KEPT FOGGING UP. NOTICE A PUDDLE IN THE FRONT PASSENGER SIDE FLOOR, AND NOTICED THE RADIATOR WAS LOW. PUDDLE OF THE FLOOR ENDED UP BEING ANTI-FREEZE. DEALER ADVISED THAT I NEED A NEW HEATER CORE AND THAT THEY ARE THE ONLY AUTHORIZED DEALER TO REPLACE IT. WAS NOT UNDER WARRENTLY DUE TO MILAGE ON THE CAR. THEY REPLACED HEATER CORE, AND WHEN RETURNED THE COVER OVER THE SHIFTER IS CRAKED AND HARD TO PUT INTO PARK. THE HEATER VENTS DO NOT WORK CORRECTLY.*AK
NHTSA ODI #10080712
48,299 miles · Jun 24, 2004
Visibility
WHILE DRIVING IN INCLEMENT WEATHER, THE WINDSHIELD WIPERS CAME ON AND WENT OFF ON THEIR OWN. DEALER WAS AWARE OF THIS INTERMITTENT PROBLEM. *AK THE HEATING CORE WAS REPLACED THREE TIMES. *JB
NHTSA ODI #10074176
75,000 miles · Jun 7, 2004
Visibility
NOTICED FAINT SMELL OF ANTI FREEZE APPROXIMATELY 9 MONTHS AGO. HAD PROBLEMS WITH DEFROSTER CLEARING WINDOWS. ALSO, SEEMED TO GET BETTER (OR MAYBE I GOT USED TO THE SMELL). NOW NOTICED PASSANGER SIDE FLOOR CARPET IS SOAKED WITH ANTI FREEZE. OBVIOUSLY A PROBLEM WITH THE HEATER CORE OR THE HOSE(S) WHICH CONNECT TO IT ARE LEAKING. C…
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NOTICED FAINT SMELL OF ANTI FREEZE APPROXIMATELY 9 MONTHS AGO. HAD PROBLEMS WITH DEFROSTER CLEARING WINDOWS. ALSO, SEEMED TO GET BETTER (OR MAYBE I GOT USED TO THE SMELL). NOW NOTICED PASSANGER SIDE FLOOR CARPET IS SOAKED WITH ANTI FREEZE. OBVIOUSLY A PROBLEM WITH THE HEATER CORE OR THE HOSE(S) WHICH CONNECT TO IT ARE LEAKING. CAR HAS 92000 MILES, AND IS WELL MAINTAINED. I WILL BE CALLING LOCAL MITSUBISHI DEALER TO SCHEDULE A REPAIR. HOPEFULLY THEY CAN REPAIR THIS AT LITTLE OR NO COST TO ME AS THIS IS AN OBVIOUS DEFECT IN PARTS OR INSTALLATION. *AK
NHTSA ODI #10074964
45,000 miles · Mar 9, 2004
Engine And Engine Cooling
MY HEATER CORE WENT ON MY AUTOMOBILE. THE CAR IS A 2001 MITSUBISHI DIAMANTE WHICH HAS 50,000 MILES ON IT. THE PROBLEM STARTED WHEN THE CAR HAD 45,000 MILES ON IT, BUT I DIDN'T KNOW IT WAS THE HEATER CORE UNTIL LATER ON. THE DEALER HAD THE CAR FOR 2-L/2 DAYS FOR A JOB THAT WAS 6.9 HOURS. I WAS TOLD THAT THE BOX THAT THE CORE WA…
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MY HEATER CORE WENT ON MY AUTOMOBILE. THE CAR IS A 2001 MITSUBISHI DIAMANTE WHICH HAS 50,000 MILES ON IT. THE PROBLEM STARTED WHEN THE CAR HAD 45,000 MILES ON IT, BUT I DIDN'T KNOW IT WAS THE HEATER CORE UNTIL LATER ON. THE DEALER HAD THE CAR FOR 2-L/2 DAYS FOR A JOB THAT WAS 6.9 HOURS. I WAS TOLD THAT THE BOX THAT THE CORE WAS IN WAS EITHER BROKEN OR COULDN'T BE SHUT, BUT THEN THEY WERE ABLE TO CLOSE IT, FIX IT I HOPE. I WAS TOLD BY ANOTHER MECHANIC THAT IT COULD HAVE BEEN THE O-RING AND THAT THEY HAD A CAR THE SAME YEAR WITH THE SAME PROBLEM, POSSIBLE RECALL. THE DEALER DID A SHABBY JOB IN REPLACING MY DASH BOARD, I HAVE 3 SCREWS THAT I FOUND ON THE FLOOR, MY GLOVE COMPARTMENT HAS A SCREW MISSING, NONE OF WHICH I HAVE IN MY POSSESSION FITS THE MISSING SCREW HOLE. WHEN I PICKED UP THE CAR, THE STEERING COLUMN CAME APART IN MY HANDS AND SO THEY TOOK IT BACK IN TO FIX. DO THEY NOT CHECK THINGS AFTER THEY COMPLETE A JOB, LIKE ARE ALL THE SCREWS BACK IN PLACE. I WILL NEVER BUY ANOTHER MITSUBISHI AND NEVER ADVISE ANYONE TO BUY ONE EITHER. I WAS TOLD THAT A HEATER CORE SHOULDN'T BREAK AT ONLY 50,000 MILES AND THE CAR IS ONLY 3 YEARS OLD.
NHTSA ODI #10060836
Mileage unknown · Jan 8, 2004
Engine And Engine CoolingVisibility
HEATER CORE FAILED, CAUSING THE FRONT WINDSHIELD TO FOG UP. ALSO, CONSUMER COULD SMELL ANTI FREEZE INSIDE THE VEHICLE. DEALERSHIP WAS NOTIFIED BUT DID NOT RESOLVE THE PROBLEM.*AK
NHTSA ODI #10053677
Mileage unknown · Jan 4, 2004
Engine And Engine CoolingVisibility
CAR SMELLS LIKE COOLANT. WINDOWS WON'T CLEAR UP WHILE IM DRIVING. VERY FOGGY. DEALER SAID I NEED A NEW HEATER CORE AT 43,000 MILES. *LA
NHTSA ODI #10052370
23,000 miles · Apr 1, 2003
Tires
SHORT LIFE OF TIRES. TIRES HAVE BEEN PROPERLY MAINTAINED SINCE THE PURCHASE OF VEHICLE BUT SOME HOW THE BELTS WERE SEPARATING AND THE TIRES WHERE "CHOPPED UP" SO THEY PUT IT. TIRES ARE ROTATED AND BALANCED REGULARLY IN WHICH I HAVE BEEN TOLD THAT A LACK OF THIS TYPE OF MAINTENANCE CAUSES THIS PROBLEM. SO I DON'T UNDERSTAND WH…
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SHORT LIFE OF TIRES. TIRES HAVE BEEN PROPERLY MAINTAINED SINCE THE PURCHASE OF VEHICLE BUT SOME HOW THE BELTS WERE SEPARATING AND THE TIRES WHERE "CHOPPED UP" SO THEY PUT IT. TIRES ARE ROTATED AND BALANCED REGULARLY IN WHICH I HAVE BEEN TOLD THAT A LACK OF THIS TYPE OF MAINTENANCE CAUSES THIS PROBLEM. SO I DON'T UNDERSTAND WHY I AM HAVING THE PROBLEMS WITH MY TIRES. I CONTACTED GOODYEAR ABOUT THE PROBLEM AND I WAS INSTRUCTED TO TAKE MY CAR TO A GOODYEAR DEALER IN WHICH I DID AND THEY CHECKED THE ALIGNMENT, THE ROTATION RECORDS, AND THE BALANCING AND ALL THOSE THINGS CHECKED OUT. THEY STILL REFUSED TO REPLACE THE TIRES AND REFUSED TO CONTACT GOODYEAR ABOUT THE RESULTS IN WHICH I HAD AND INTERNET EMAIL FROM CHEEDA MOORE INSTRUCTING THEM TO CALL HER DIRECTLY IF THEY COULD NOT HELP ME AND THEY DID NOT.*JB
NHTSA ODI #10013766
33,000 miles · Jan 20, 2003
Visibility
LEAKING SUNROOF. THE FACTORY SUNROOF LEAKS DURING RAIN AND WASHING. IT HAS CAUSED WATER DAMAGE TO THE HEADLINER. ALSO THE REAR DRIVERS SIDE WINDOWS RATTLES AND HAS EXCESSIVE WIND NOISE. THE DEALER WANTED $90 JUST TO TAKE THE DOOR PANEL OFF I REFUSED BECAUSE I DON'T FEEL I SHOULD PAY FOR MANUFACTURE DEFECT. AS FAR AS THE SUNROOF …
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LEAKING SUNROOF. THE FACTORY SUNROOF LEAKS DURING RAIN AND WASHING. IT HAS CAUSED WATER DAMAGE TO THE HEADLINER. ALSO THE REAR DRIVERS SIDE WINDOWS RATTLES AND HAS EXCESSIVE WIND NOISE. THE DEALER WANTED $90 JUST TO TAKE THE DOOR PANEL OFF I REFUSED BECAUSE I DON'T FEEL I SHOULD PAY FOR MANUFACTURE DEFECT. AS FAR AS THE SUNROOF GOES AN ATTEMPT WAS MADE TO REPLACE THE SUNROOF GLASS BUT THE LEAK STILL PERSISTS IN THE SAME LOCATION.
NHTSA ODI #10002995