VEHICLE EXPERIENCED PROBLEMS WITH THE DEFROSTER. IT WILL NOT CLEAR THE WINDOWS. ALSO, THERE WAS A MIST COMING OUT OF THE VENT. CONSUMER HAS AN APPOINTMENT WITH THE DEALER ON THURSDAY 27 JANUARY, 2005. *AK
2001 Mitsubishi Diamante complaints
Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2001 record →
SMELLED ANITFREEZE IN THE CAR, SUBSEQUENTLY FOUND CARPET SOAKED WITH ANTIFREEZE CALLED DEALERSHIP IN ARLINGTON AND WAS TOLD THAT THEY HAVE HAD SEVERAL PROBLEMS WITH THE HEATER CORE. ESTIMATED COST TO REPAIR $930. CAR IS OUT OF FACTORY WARRANTY BUT HAS EXTENDED WARRANTY W/ $500 DEDUCTIBLE. WAS TOLD TO CALL WARRANTY PEOPLE AND TELL THEM WAS "CRACKED" AND THAT IT WOULD BE COVERED. MILEAGE IS ONLY 47,000. *AK
MY DIAMANTE HAS ABOUT 42,000 MILES ON IT, AND I HAVE JUST BEEN NOTICING THAT THE FRONT AND SIDE WINDOWS FOG UP AND THE DEFROST DOES NOT CORRECT THE PROBLEM. I LIVE IN COLORADO, WHERE IT CAN BE VERY COLD IN THE WINTER MONTHS AND THIS IS A SERIOUS SAFETY ISSUE! I HAVE ALSO NOTICED THAT A SMOKE OR VAPOR COMES OUT OF THE VENTS AND SMELLS BAD. THIS TOO IS A HEALTH CONCERN OF MINE. I HAVE A LITTLE THREE YEAR OLD BOY THAT HAS RESPITORY PROBLEMS SO I AM VERY CONCERED ABOUT TAKING HIM IN THE CAR. I KNOW THIS IS A BIG PROBLEM, BECAUSE I SEE MANY PEOPLE COMPLAINING ABOUT IT ON THE WEB, BUT THEY ARE PROBABLY UNAWARE OF THE NHTSA. I FEEL THAT MITSUBISHI SHOULD STAND BEHIND THIS. *AK
STRONG SMELL OF ANTIFREEZE CAUSING NAUSEA AND LOSS OF VISIBILITY WHILE DRIVING DUE TO HEAVY FOGGING OF ALL WINDOWS. IN REVIEW ONLINE FOR OTHER DOCUMENTED CASES THE HEATER CORE AND CORE ASSEMBLY O RINGS ARE SUBJECT TO PREMATURE FAILURE, SEEMS TO BE VERY PREVALENT IN 2001 AND NEWER MITSUBISHI DIAMANTE MODELS.MY DIAMANTE HAS 48,000 MILES. *JB
2001 MITSUBISHI DIAMANTE. BACK IN NOVEMBER, CAR BEGAN TO SMELL OF ANTIFREEZE/COOLANT, WINDOWS BEGAN TO FOG AND FUMES EMERGED FROM THE VENTS. THE VEHICLE TEMPERATURE GAUGE BEGAN TO RUN HOT. THE FUMES CAUSE NAUSEA. I TOOK CAR TO DEALERSHIP AND THEY REPLACED THE THERMOSTAT AND CHECKED FOR LEAKS. NOW, THREE MONTHS LATER THE EXACT SAME PROBLEM. HEATER CORE PROBLEM AT A COST OF $1300 TO FIX. *NM
FOGGED UP WINDOWS ALONG WITH BAD MUSTY SMELL. EXTREMELY DIFFICULT TO DRIVE WHEN YOU CAN'T SEE OUT THE WINDOW. 65,000 MILES SEEMS LOW FOR A HEATER CORE TO GO OUT. THE DEALER SHOULD PAY TO FIX THE PROBLEM OR GIVE A GREAT VALUE ON A TRADE IN.*AK I AM VERY DISSAPOINTED. MY RESEARCH SHOWS THAT THE HEATER CORE IS A VERY COMMON PROBLEM AND THERE SHOULD BE A RECALL OR SOME SORT OF ACTION!!!
I PURCHASED A USED MITSUBISHI DIAMANTE IN OCTOBER 2003 WITH 52,000 MILES ON IT. A COUPLE OF MONTHS LATER THERE WAS A STRONG ODOR COMING FROM THE VENTS AND THE WINDOW STARTED FOGGING UP. THE TRANSMISSION STARTED ACTING STRANGE SO I TOOK IT BACK TO THE DEALER AND WAS TOLD THAT THE HEATER CORE WAS LEAKING AND HAD LEAKED ON THE TRANSMISSIONS COMPUTER. THEY TOLD ME THEY COULD REPLACE THE TRANSMISSION COMPUTER UNDER WARRANTY BUT THE HEATER CORE WAS NOT COVERED AND IT WOULD COST ME ABOUT $668. I HAD TO COME UP WITH THE MONEY TO GET THE HEATER CORE FIXED BEFORE THE COULD FIX THE TRANSMISSION PROBLEM. I ALSO NOTICED SMOKE COMING OUT OF THE VENTS EARLY IN THE MORNING AND THE PASSENGER SIDE MATS WERE ALSO SOAKED WITH ANTIFREEZE.*AK
BOTH REAR KNUCKLE BUSHING WERE SHOT ON 2001 MITSUBISHI DIAMANTE. *BF IT APPEARED THAT THE BODY OF THE VEHICLE WAS FALLING OFF OF THE FRAME. *SC
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
THE DEFROSTER NO LONGER WORKS ON THIS VEHICLE. INSTEAD A STREAM OF 'FOG' IS EMITTED THROUGH THE DUCTS AND THE WINDOWS ARE CLOUDED OVER. THIS REQUIRED ME TO STOP DRIVING BECAUSE I COULD NOT SEE THROUGH THE WINDOW. THERE IS A DEFINITE SMELL OF COOLANT IN THE PASSENGER VEHICLE AND IT IS DIFFICULT TO BREATHE. *JB
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
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
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
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
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
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.
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
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
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
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.
DISC BRAKE PADS SHOW ACCELERATED WEAR, WITH REPLACEMENT AT 5,000 AND AGAIN AT 17,000 MILES. ABNORMAL WEAR NOT DUE TO "RIDING THE BRAKES". BELIEVE ACCELERATED WEAR COULD LEAD TO PREMATURE BRAKE FAILURE CAUSING ACCIDENT AND POSSIBLE LOSS OF LIFE. MR
I BELIEVE THIS IS COMMON WITH BRAKE SYSTEM AND COULD EVENTUALLY LEAD TO FATALITIES. *AK
FRONT END ALIGNMENT IS OFF, CAUSING TIRES TO CUP/ MAKING STEERING VIBRATE, AND LOUD NOISES. REPLACED PARTS, PROBLEM STILL OCCURRING. *AK
BRAKE ROTORS HAD TO BE TURNED BECAUSE THEY STARTED WARPING. *AK
THE MANUFACTURER AND THE DEALER STATE THAT IT IS NORMAL WEAR AND TEAR TO HAVE TO REPLACE AND OR TURN ROTORS EVERY 18000 TO 20000 ON THIER CARS EVEN THOUGH THE BRAKES HAVE NOT FAILED. *AK
WHILE DRIVING TRACTION CONTROL SYSTEM COMPLETELY TURNED OFF WITHOUT WARNING, CAUSE UNKNOWN. *AK CONSUMER ALSO BEGAN EXPERIENCING INTERMITTENT ENGINE FAILURE.*SLC
ORIGINAL EQUIPMENT MOUNTED ON A 2001 MITSUBISHI DIAMONTE, TIRE SIZE P215/60R16. WHILE DRIVING 68 MPH, RIGHT REAR TIRE BLEW OUT, CAUSING SLIGHT LOSS OF CONTROL. *AK GOODYEAR EAGLE GA, DOT NUMBER T0X82JM22800. *JB
WHILE DRIVING THE ACCELERATOR PEDAL STUCK AFTER DEPRESSED DUE TO A FRAYED THROTTLE CABLE, IN ADDITION THE TRACTION CONTROL LIGHT CAME ON AND WAS BLINKING ON AND OFF(ATTORNEY FOR CLIENT). NLM
Reading these
NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.
Full record for the 2001 Mitsubishi Diamante → · Every Diamante year → · How the figures are calculated →