Mitsubishi Diamante Engine Problems
89 owner complaints filed with NHTSA across 4 model years.
Complaints by Year
Worst year: 2002. Best year: 2000.
Owner Reports
A representative sample of complaints filed with NHTSA.
TL* THE CONTACT OWNS A 2002 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT WHILE DRIVING AT 75 MPH, THE CONTACT ATTEMPTED TO BRAKE BUT THE BRAKES FAILED TO RESPOND WITHOUT ANY WARNINGS. THE VEHICLE CRASHED INTO A PASSENGER VAN. THE VEHICLE...
THE FUMES OF ANTIFREEZE FOGGED UP THE WINDOWS SEVERELY, REDUCING VISIBILITY OF THE DRIVER. IT WAS RAINING ONE NIGHT AND MY WINDOWS ALL OF A SUDDEN GOT FOGGY. I TURNED ON THE DEFROSTER, WHICH MADE MY WINDOWS EVEN FOGGIER. THE POOR VISIB...
THE HEATER CORE IS AN EXTREMELY DANGEROUS PROBLEM. THE WINDOWS IN THE CAR FOG UP SO BAD I COULDNT DRIVE THE CAR...HAD TO PULL OVER AND WIPE THE WINDOWS DOWN. BUT THE THING IS...I DIDNT KNOW WHAT THE PROBLEMS WAS...UNTIL I REALIZED THE WI...
MY 2002 MITSUBISHI DIAMANTE HAS O RING FAILURE IN THE HEATER COIL. I HAVE READ MANY COMPLAINTS THAT THIS IS COMMON ON THIS MODEL AND WOULD LIKE A RECALL ON THESE VEHICLES DUE TO THE EXTREME NATURE OF THE ISSUE. WITH THE FAILURE OF THE ...
HEATER CORE (AND POSSIBLE EFFECT ON TRANSMISSION ISSUES) GOING UP BEFORE ITS TIME (AND THIS KNOWN TO BE A PROBLEM ON THE DIAMANTES FOR OVER 3 YEARS OF THE MODEL) AND CAUSING ANTIFREEZE FUMES AND SMOKE TO FILL MY CAR FOR MONTHS UNNOTICED ...
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 E...
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 DEA...
I HAVE A 2003 MITSUBISHI DIAMANTE LS WITH 71677 MILES ON IT ALL OF THE SUDDEN MY HUSBAND (THE PRIMARY DRIVER) TELLS ME THAT EVERY TIME HE GETS OUT OF THE CAR HE FEELS LIGHT HEADED AND NAUSEOUS. DAYS LATER THE FRONT WINDSHIELD STARTED FO...
JUST LIKE EVERYONE ELSE WITH A 2002 MITSUBISHI DIAMANTE, I HAVE HAD HEATER CORE PROBLEMS. ANTIFREEZE LEAKING/SMELL AND WINDOWS FOGGING UP. COST TO REPAIR EXCEEDS $1000. IF EVERY ONE OF THESE VEHICLES HAS THIS SAME ISSUE, WHY HAS IT NE...
TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED HE NOTICED AN UNUSUAL ODOR OF COOLANT AND THE NEUTRAL INDICATOR BEGAN SPORADICALLY ILLUMINATING. UPON FURTHER INSPECTION, THE CONTACT FOUND COOLANT LEAKING ONTO THE FLO...
I HAVE A 2003 MITSUBISHI DIAMANTE WITH 60,000 PLUS MILES. FOR THE PAST SEVERAL MONTHS I HAVE NOTICED A STRONG SMELL OF ANTI-FREEZE COMING FROM THE VENTS AND THE WINDOWS CONSTANTLY FOGGING UP, SOMETIMES TO THE POINT THAT I CANNOT SEE TO D...
ANTI-FREEZE LEAK ON CARPET PASSENGER SIDE NEAR FIREWALL FOGGED UP WINDOWS CHECK ENGINE LIGHT COMES ON AND OFF DUE TO THE LEAK THE ECU STARTED WORKING AWFUL. *TR