2003 Mitsubishi Diamante Complaints

  • Engine And Engine Cooling 07/10/2008

    I OWN A 2003 DIAMANTE WITH ABOUT 60,000 MILES ON IT. MY WINDOWS CONTINUALLY FOG UP WHILE DRIVING OR PARKED AND THE DEFROSTER/VENTS DOES NOT ELIMINATE THE FOG AT ALL, MAKING DRIVING VERY DIFFICULT AND DANGEROUS ESPECIALLY IN RAINY WEATHER AND DURING THE NIGHTTIME. THE SMELL OF ANTIFREEZE IS EXTREMELY STRONG INSIDE THE VEHICLE. I HAD A PROBLEM WITH MY TRANSMISSION SHIFTING AND THE LIGHT AROUND THE "N" ON THE INSTRUMENT PANEL WAS FLASHING. THE MECHANIC SAID MY HEATER CORE WAS LEAKING COOLANT ONTO THE TRANSMISSION CONTROL MODULE CAUSING IT TO MALFUNCTION. I WAS TOLD THAT EVEN THOUGH I PAID FOR AND HAVE AN EXTENDED WARRANTY ON THIS VEHICLE IT WOULD NOT BE COVERED BECAUSE THE HEATER CORE LEAKING IS WHAT CAUSED THE TRANSMISSION CONTROL MODULE TO FAIL. THE HEATER CORE WAS REPLACED ALONG WITH THE CONTROL MODULE AND THE RELAY WITH A COST OF OVER 2,500 DOLLARS. IT SEEMS LIKE A PROBLEM LIKE THIS THAT IS EXTREMELY COMMON IS THESE VEHICLES, CREATES SAFETY AND HEALTH HAZARDS, AND VERY EXPENSI...

  • Visibility 10/01/2008

    HEATER CORE LEAKAGE CAUSING SMOKE AND ANTIFREEZE ODOR TO COME OUT OF CAR VENTS AND UNDERNEATH DASH BOARD (PASSENGER SIDE). THERE IS A RISK OF ACCIDENT, PERSONAL INJURY, OR DEATH BECAUSE USE OF A/C, HEATER, AND DEFROST IS NOT AVAILABLE WHEN WINDSHIELDS AND WINDOWS FOG UP. *TR

  • Engine And Engine Cooling, power Train 08/09/2008

    I OWN A 2003 MITSUBISHI DIAMANTE, AROUND 60K MILES I STARTED NOTICING A SWEET SMELL FROM THE VENTS AND A CONSTANT FOG WHEN THE HEAT OR AIR WAS TURNED ON IN THE CAR. AFTER TAKING MY CAR TO THE MECHANIC I WAS TOLD THAT MY HEATER CORE WAS BUSTED. MY CAR ALSO SDRIVING IN "SAFE MODE" MEANING I CAN ONLY RUN IN SECOND GEAR WHICH IS BURNING A TANK OF GAS EVERY THREE DAY, I LOVE 10 MILES FROM WORK. MY CAR FLASHED IN NEUTRAL WILL IN DRIVE. AFTER RESEARCHING MY PROBLEMS I'VE NOTICE WELL OVER 1000 POSTED VIA INTERNET FROM OTHER MITSUBISHI DIAMANTE OWNERS HAVING THE SAME ISSUE. ITS HARD TO BELIEVE THIS VEHICLE HAS NOT BE RECALLED. THERE ARE GREAT RISKS OF INHALING ANTI FREEZE WHICH IS SEEPING INTO THE CAR THROUGH THE FLOOR BOARDS AND VENTS. I HAVE AN ASTHMATIC CHILD WHO HAS BEEN DRIVING IN THE CAR UNTIL THE PROBLEM WAS BROUGHT TO MY ATTENTION. THIS LEAK MAY ALSO MAKE THE COMPUTER SYSTEM IN THE VEHICLE GO OUT. SOMETHING NEEDS TO BE DONE BEFORE AN ACCIDENT IS CAUSED OR A LIFE IS TAKEN. *TR

  • Engine And Engine Cooling, power Train 04/28/2008

    MY TRANSMISSION RELAY WENT OUT DUE TO A LEAK HEATER CORE. THE CORE HAS BEEN LEAKING FOR SOME TIME AND HAS FOGGED MY WINDOWS SO BAD I COULD NOT SEE AT TIMES, HAVING TO PULL OVER AND WIPE OFF THE FILM. THIS IS A SERIOUS PROBLEM WITH THESE CARS. *TR

  • Engine And Engine Cooling, power Train 11/28/2007

    I OWN A 2003 DIAMANTE MITSUBISHI. THE PROBLEM STARTED WITH A CHECK ENGINE LIGHT COMING ON, FOGGING THE WINDOW WITH A FOWL TOXIC SMELL THEN THE CAR WOULD NOT HARDLY MOVE OUT GEAR. I WAS TOLD THAT THE CAR'S HEATER CORE LEAKED ONTO THE COMPUTER WHICH CAUSED THE TRANSMISSION RELAY TO SHORT OUT DO TO THE COMPUTER FAILING. THE COMPUTER WAS STILL UNDER WARRANTY AT 78,000 MILES BUT I STILL HAD TO PAY FOR THE NEW COMPUTER SYSTEM BECAUSE I WAS TOLD THAT IT WAS THE HEATER CORE THAT CAUSED THE COMPUTER TO FAIL. THIS IS SUCH A POOR DESIGN! THE COMPUTER SHOULD HAVE BEEN PROTECTED IN SUCH A CASE...FUNNY THING IT IS NOW THAT I HAVE HAD TO REPLACE A HEATER CORE, A COMPUTER AND A TRANSMISSION RELAY AT A CUT WRENCHING COST OF $3,675.58. I WROTE A LETTER TO THE PRESIDENT OF NORTH AMERICA MITSUBISHI THAT THE HEATER CORE SHOULD BE A RECALL BUT TO NO AVAIL. I HAVE ALL MAINTENANCE RECORDS ON THE DIAMANTE SO THAT WAS NOT WHAT CAUSED THIS HEATER FAILURE. I DO HAVE THE COMPUTER THAT WAS REPLACED. IT IS NOW APRI...

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