NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
14 reportsClear category filterMileage unknown · Oct 22, 2007
Engine And Engine Cooling
MY CAR IS MAKING ME SICK!! I NOTICED A SMELL OF ANTI-FREEZE COMING OUT OF THE CLIMATE CONTROL VENTS. UPON FURTHER INVESTIGATION, I NOTICED ANTI-FREEZE/ENGINE COOLANT LEAKING FROM THE HEATER CORE DOWN ONTO FLOOR MATS, CLIMATE CONTROL INTAKE, ELECTRICAL WIRING INSIDE DASHBOARD, AND MORE IMPORTANTLY AUTOMATIC TRANSMISSION COMPUTER…
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MY CAR IS MAKING ME SICK!! I NOTICED A SMELL OF ANTI-FREEZE COMING OUT OF THE CLIMATE CONTROL VENTS. UPON FURTHER INVESTIGATION, I NOTICED ANTI-FREEZE/ENGINE COOLANT LEAKING FROM THE HEATER CORE DOWN ONTO FLOOR MATS, CLIMATE CONTROL INTAKE, ELECTRICAL WIRING INSIDE DASHBOARD, AND MORE IMPORTANTLY AUTOMATIC TRANSMISSION COMPUTER. THIS IS A SIGNIFICANT SAFETY AND HEALTH ISSUE AND NEEDS TO BE ADDRESSED IMMEDIATELY. WHERE IS MANUFACTURER'S RECALL. *JB
NHTSA ODI #10206486
54,000 miles · May 19, 2007
Engine And Engine Cooling
SINCE I BOUGHT THE USED CAR IN 2003 I FOUND THE CAR SMELLED SWEET, ANTIFREEZE COOLANT INSIDE, BUT I THOUGHT IT WAS NORMAL FOR THE CAR. *AK BUT IN FEB, THE BURNING ODOR BECAME STRONGER ESPECIALLY WHEN I TURN ON THE HEATER. NOW, THE FRONT INTERIOR WINDOWS BECOME FOGS UP RIGHT AWAY WHENEVER I TURN ON THE HEATER OR JUST DRIVI…
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SINCE I BOUGHT THE USED CAR IN 2003 I FOUND THE CAR SMELLED SWEET, ANTIFREEZE COOLANT INSIDE, BUT I THOUGHT IT WAS NORMAL FOR THE CAR. *AK BUT IN FEB, THE BURNING ODOR BECAME STRONGER ESPECIALLY WHEN I TURN ON THE HEATER. NOW, THE FRONT INTERIOR WINDOWS BECOME FOGS UP RIGHT AWAY WHENEVER I TURN ON THE HEATER OR JUST DRIVING. THE ODOR IS GETTING ME SICK, AND THE WINDSHIELD IS SO FOGGED THAT I NEED TO CONSTANTLY WIPE IT JUST TO SEE OUT. I THINK THIS IS BECOMING UNSAFE TO DIRVE.
NHTSA ODI #10191235
58,100 miles · Apr 26, 2007
Engine And Engine CoolingVisibility
FOR NO PARTICULAR REASON MY CAR FILLS UP WITH THE SMELL OF ANTI-FREEZE COOLANT WHEN I TURN ON THE HEATER. I HAVE READ THAT THIS IS CAUSED BY LEAKING 0-RINGS AND THAT THIS WILL DAMAGE THE COMPUTERS WHICH ARE UNDERNEATH THE LEAK. THE CAR IS A 2001 MITSUBISHI DIAMANTE L.S. THE DEALER SAYS IT IS NOT A COMMON ISSUE. GOOGLE SAYS OTHE…
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FOR NO PARTICULAR REASON MY CAR FILLS UP WITH THE SMELL OF ANTI-FREEZE COOLANT WHEN I TURN ON THE HEATER. I HAVE READ THAT THIS IS CAUSED BY LEAKING 0-RINGS AND THAT THIS WILL DAMAGE THE COMPUTERS WHICH ARE UNDERNEATH THE LEAK. THE CAR IS A 2001 MITSUBISHI DIAMANTE L.S. THE DEALER SAYS IT IS NOT A COMMON ISSUE. GOOGLE SAYS OTHERWISE. *TR
NHTSA ODI #10188952
75,000 miles · Jan 26, 2007
Engine And Engine CoolingVisibility
ANTI FREEZE ODOR IS OVERWHELMING IN THE CAR, ESPECIALLY WHEN THE HEATER IS RUN. I HAVE HAD THE CAR SINCE IT WAS NEW, AND HAD THE SAME PROBLEM AFTER ONLY A COUPLE OF MONTHS. THE DEALERSHIP FIXED THE ISSUE BY INSTALLING A NEW GASKET, BUT THE FIX HAS LASTED ONLY A COUPLE OF YEARS. MY WIFE AND I HAVE BEEN HAVING A VARIETY OF RES…
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ANTI FREEZE ODOR IS OVERWHELMING IN THE CAR, ESPECIALLY WHEN THE HEATER IS RUN. I HAVE HAD THE CAR SINCE IT WAS NEW, AND HAD THE SAME PROBLEM AFTER ONLY A COUPLE OF MONTHS. THE DEALERSHIP FIXED THE ISSUE BY INSTALLING A NEW GASKET, BUT THE FIX HAS LASTED ONLY A COUPLE OF YEARS. MY WIFE AND I HAVE BEEN HAVING A VARIETY OF RESPIRATORY ILLNESSES RECENTLY, AND I BELIEVE THESE FUMES ARE A CONTRIBUTING FACTOR. *JB
NHTSA ODI #10180810
68,000 miles · Oct 4, 2005
Engine And Engine CoolingInjury
SMELL OF ANTI FREEZE 3 MONTHS AGO WHILE HEATER WAS RUNNING. WINDOWS STARTING TO FOG AND UNABLE TO DEFROST/DEFOG. WILL HAVE TO SCHEDULE A REPAIR WITH THE DEALER. THIS IS A MAJOR SAFETY CONCERN AS COOLANT VAPOR IS TOXIC TO BREATHE AND ELECTRICAL CONTROL COMPONENTS TO ENGINE MAY BE DAMAGED IF LEAKING INTO ELECTRICAL CONNECTIONS …
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SMELL OF ANTI FREEZE 3 MONTHS AGO WHILE HEATER WAS RUNNING. WINDOWS STARTING TO FOG AND UNABLE TO DEFROST/DEFOG. WILL HAVE TO SCHEDULE A REPAIR WITH THE DEALER. THIS IS A MAJOR SAFETY CONCERN AS COOLANT VAPOR IS TOXIC TO BREATHE AND ELECTRICAL CONTROL COMPONENTS TO ENGINE MAY BE DAMAGED IF LEAKING INTO ELECTRICAL CONNECTIONS OR DEVICES; TRACTION CONTROL AND THROTTLE CONTROL BEING THE MOST DANGEROUS AND POSSIBLY FATALITY CAUSING. *JB
NHTSA ODI #10138452
54,300 miles · Jun 26, 2005
Engine And Engine Cooling
NOTICED A SMELL OF ANTIFREEZE COMMING OUT OF THE CLIMATE CONTROL VENTS. UPON FURTHER INVESTIGATION, I NOTICED ANTIFREEZE/ENGINE COOLANT LEAKING FROM THE HEATER CORE DOWN ONTO FLOOR MATTS, CLIMATE CONTROL INTAKE, ELECTRICAL WIRING INSIDE DASHBOARD, AND MORE IMPORTANTLY AUTOMATIC TRANSMISSION COMPUTER. THIS IS A SIGNIFICANT SAFET…
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NOTICED A SMELL OF ANTIFREEZE COMMING OUT OF THE CLIMATE CONTROL VENTS. UPON FURTHER INVESTIGATION, I NOTICED ANTIFREEZE/ENGINE COOLANT LEAKING FROM THE HEATER CORE DOWN ONTO FLOOR MATTS, CLIMATE CONTROL INTAKE, ELECTRICAL WIRING INSIDE DASHBOARD, AND MORE IMPORTANTLY AUTOMATIC TRANSMISSION COMPUTER. THIS IS A SIGNIFICANT SAFETY AND HEALTH ISSUE AND NEEDS TO BE ADDRESSED IMMEDIATELY. WHERE IS MANUFACTURER'S RECALL.
NHTSA ODI #10126617
Mileage unknown · May 25, 2005
Engine And Engine CoolingVisibility
2001 MITSUBISHI DIAMANTE EXPERIENCED PROBLEMS WITH THE HEATER CORE.*MR THE HEATER CORE HAD TO BE REPLACED BECAUSE ANTI-FREEZE WAS LEAKING INTO THE PASSENGER COMPARTMENT AND FOGGING THE WINDSHIELD. WHEN THE HEATER CORE WAS BEING REMOVED, THE CONSUMER NOTICED IT FAILED TO HAVE SUFFICIENT INSULATION. THE OIL PAN GASKET WAS LEA…
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2001 MITSUBISHI DIAMANTE EXPERIENCED PROBLEMS WITH THE HEATER CORE.*MR THE HEATER CORE HAD TO BE REPLACED BECAUSE ANTI-FREEZE WAS LEAKING INTO THE PASSENGER COMPARTMENT AND FOGGING THE WINDSHIELD. WHEN THE HEATER CORE WAS BEING REMOVED, THE CONSUMER NOTICED IT FAILED TO HAVE SUFFICIENT INSULATION. THE OIL PAN GASKET WAS LEAKING AND THE UPSTREAM OXYGEN SENSOR WAS REPLACED. *JB
NHTSA ODI #10124693
5,000 miles · Mar 5, 2005
Engine And Engine CoolingInjury
MY CAR IS MAKING ME SICK. I PURCHASED MY CAR IN AUG. 2001 AND BEGAN TO NOTICE A SMELL IN THE CAR AND FUME CLOSELY RESEMBLING THAT OF RADIATOR COOLANT. THE CAR WAS ASSESED BY A MITSUBISHI DISTRICT MANAGER AND SERVICE PERSONNEL FROM MY DEALER AND DEEMED TO BE SOUND. IN THE MEAN TIME I HAVE SUFFERED WITH RUNNY EYES AND INTERMITTENT…
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MY CAR IS MAKING ME SICK. I PURCHASED MY CAR IN AUG. 2001 AND BEGAN TO NOTICE A SMELL IN THE CAR AND FUME CLOSELY RESEMBLING THAT OF RADIATOR COOLANT. THE CAR WAS ASSESED BY A MITSUBISHI DISTRICT MANAGER AND SERVICE PERSONNEL FROM MY DEALER AND DEEMED TO BE SOUND. IN THE MEAN TIME I HAVE SUFFERED WITH RUNNY EYES AND INTERMITTENT PARALYSIS IN THE RIGHT SIDE OF MY FACE DEPENDENT ON THE AMOUNT OF TIME SPENT IN THE CAR. I HAVE CONTACTED MITSUBISHI NUMEROUS TIMES ABOUT THIS AND RECEIVED NO ASSISTANCE. IN NOVEMBER 2004 I NOTICED AN INCREASE IN THIS SMELL AND FOGGING PROBLEMS OF THE INTERIOR WINDOWS. I TOOK THE CAR TO THE DEALER TELLING THEM THAT I BELIEVED THE PROBLEM WAS WITH THE HEATER CORE. I ASCERTAINED THIS INFORMATION THROUGH INTERNET RESEARCH DEALING WITH MITSUBISHI DIAMANTE DEFECTS AND PROBLEMS. THE CAR WAS RETURNED TO ME WITH THIS PROBLEM MORE SEVERE THAN WHEN I TOOK IT IN FOR REPAIR. ANY HELP OR IDEAS THAT YOU CAN OFFER WOULD BE GREATLLY APPRECIATED. *AK
NHTSA ODI #10112583
59,750 miles · Dec 31, 2004
Engine And Engine Cooling
HEATER CORE FAILURE/LEAK IN 2001 MITSUBISHI DIAMANTE LS; LEAKED ON CARPET; CONTINUOUS ODOR. DEALER MCGINNIS MITSUBISHI SAID IT WOULD COST OVER $1000 IN LABOR COSTS TO REPLACE.*AK
NHTSA ODI #10104863
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