Reports submitted to NHTSA by owners and drivers, shown in full
Data refreshed
Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
123
Latest Aug 2, 2017
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
4
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Oct 8, 2002
What this page shows
Our database holds 123 NHTSA owner-reported complaints for the 2002 Mitsubishi Diamante. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Complaints, most recent first
Showing 1–25 of 123 · page 1 of 5
AirbagsPowertrain (other)
Filed Aug 2, 2017
I WAS DRIVING MY MITSUBISHI ACROSS THE UNIVERSITY BRIDGE ON 7-28-2017 AND SUDDENLY THE TRANSMISSION WENT OUT AND I WAS STUCK AND HAD NO POWER OF MOVEMENT,MY WIFE AND 3 Y.O.CHILD WERE PASSENGERS IN THE CAR,LUCKILY THE STATE PATROL CAME AND ASSISTED US.THE DEALER TOLD US THAT THIS CAR WAS MECHANICALLY SOUND AND HAD NO PROBLEMS OR ISSUES.THEY LIED TO US AND BY DOING SO THEY PUT OUR LIVES IN DANGER.THE DRIVERS SIDE AIR BAG WAS ALSO MISSING WHEN WE PURCHASED THE CAR.
NHTSA ID
11012456
Incident
Jul 28, 2017
Mileage
143,000 mi
Powertrain (other)
Filed Apr 8, 2015
MY WIFE WAS DRIVING ON THE INTERSTATE WHEN THE TRANSMISSION FAILED AND WOULD NO LONGER PROPEL THE VEHICLE. I HAVE RESEARCHED THE PROBLEM AND MULTIPLE PEOPLE HAVE HAD THE SAME PROBLEM. I DON'T UNDERSTAND WHY NO RECALL HAS BEEN MADE. THIS IS A VERY HAZARDOUS ISSUE, ESPECIALLY IF YOU ARE TRAVELING ON AN INTERSTATE. SHE HAD TO COAST THE CAR OVER AND WAS RAPIDLY LOOSING SPEED, A VERY DANGEROUS SITUATION. THE PROBLEM IS A FAULTY PART IN THE TRANSMISSION CALLED A WAVE SPRING. IN EVERY F4A51 MITSUBISHI TRANSMISSION, THIS HAS BEEN AN ISSUE. THE WAVE SPRING BREAKS, BYPASSES THE FILTER, ENTERS THE PUMP GEARS AND BREAKS THE PUMP, ENDING IN TRANSMISSION FAILURE. IT IS A COSTLY REPAIR, $1800-$2000. IT IS A FAULTY DESIGN, AND A BETTER AFTERMARKET WAVE SPRING WAS EVENTUALLY ENGINEERED. THIS SHOULD BE A RECALL. *TR
NHTSA ID
10704409
Incident
Mar 10, 2015
Electrical
Filed Feb 18, 2015
TL* THE CONTACT OWNS A 2002 MITSUBISHI DIAMANTE. WHILE DRIVING AT 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE DEALER WAS UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE AND STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 02V100001 (ELECTRICAL SYSTEM.) THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 65,289.
NHTSA ID
10684089
Incident
Feb 1, 2015
Mileage
65,289 mi
Powertrain (other)
Filed Jan 11, 2015
DRIVING ALONG AT 35MPH ENGINE RPM SUDDENLY ALMOST RED LINED LOST POWER AND LOST ALL FORWARD AND REVERSE GEARS.HAD TO TOW THE VEHICLE! *TR
NHTSA ID
10671692
Incident
Jul 2, 2014
Mileage
141,000 mi
Powertrain (other)
Filed Jul 24, 2013
THE CAR JUST STOPPED. THE GEARS WERE NONFUNCTIONAL. *TR
NHTSA ID
10531655
Incident
Jun 3, 2013
Mileage
60,000 mi
BrakesElectricalEngine+1 more
Filed Oct 1, 2012
Crash reported
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 WAS DESTROYED. THE CONTACT MENTIONED THAT TWO MONTHS PRIOR TO THE FAILURE THE CHECK ENGINE LIGHT HAD ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS AND WAS INFORMED THAT THE VEHICLE MISFIRES, NEEDED SPARK PLUGS, A FUEL PUMP, A FUEL INJECTOR, AN EGR VALVE, AND THE ENGINE SURGED ERRATICALLY. THE FAILURE AND CURRENT MILEAGE WAS 140,000. UPDATED 12/06/12*LJ UPDATED 12/6/2012 *JS
NHTSA ID
10478125
Incident
Jul 26, 2012
Mileage
140,000 mi
EngineVisibility
Filed Dec 6, 2010
1 injury reported
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 WINDOWS WERENT JUST BEING FOGGED BY THE COLD, ECT IT WAS A TOXIC MIST FROM A HEATER CORE PROBLEM...I PULLED OVER 2 TIMES BECAUSE I GOT SICK...I NOTICED A MIST COMING OUT OF THE VENTS....SO ALL IN ALL I CALLED MITSUBISHI AND THEY REFUSE TO DO ANYTHING ABOUT THIS.THIS HEATER CORE PROBLEM CAN LEAD TO ACCIDENTS, SICKNESS, AND OTHE EXPENSIVE PROBLEMS IN THE CAR! THE FUMES ARE EXTREMELY TOXIC!!! THERE ARE 1000'S OF COMPLAINTS AND BLOGS ABOUT THIS PROBLEM...I'M SURE THERE ARE 100,000+ COMPLAINTS ABPOUT THIS PROBLEM. AND MITSUBISHI REFUSES TO HELP OR DO ANYTHING ABOUT THIS. I TOLD THEM, IS THIS GONNA TAKE A FATAL ACCIDENT FOR THEM TO DO SOMETHING?" THEY REPLIED, "IM NOT ANSWERING THAT!" I TOLD THEM THAT THEY SHOULD HAVE RECALLED THIS PROBLEM. THEY REPLIED, "SORRY BUT YOUR WARRANTY IS UP WE CAN'T DO NOTHING ABOUT IT." THIS HEATER CORE PROBLEMS LEADS TO FAULTY TRANSMISSION PROBLEMS, ELECTRICAL PROBLEMS, HAZERDOUS PROBLEMS, SICKNESS, INTERIOR OF THE CAR CAN BE RUINED BECAUSE ANITFREEZE LEAKS THROUGH THE DASH BOARD...WHERE MITSUBISHI PLACED THE HEATER CORE. MADE NO SENSE TO PLACE A HEATER CORE ABOVE THE ELECTRICAL COMPONENT OF THE TRANSMISSION. THEY REALLY MESSED UP HERE AND WILL NOT DO ANYTHING ABOUT THIS. I THINK THAT THE MEDIA SHOULD GET INVOLVED BECAUSE THEY PROBABLY WONT DO ANYTHING ABOUT IF SOMEONE DOESNT SPEAK UP! *TR
NHTSA ID
10369327
Incident
Nov 25, 2010
Mileage
91,000 mi
Airbags
Filed Aug 25, 2010
Crash reported1 injury reported
TL* THE CONTACT OWNS A 2002 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT SHE WAS INVOLVED IN A FRONTAL CRASH WHILE DRIVING APPROXIMATELY 35 MPH. THE CONTACT WAS INJURED AS A RESULT AND A POLICE REPORT WAS FILED. NONE OF THE AIR BAGS DEPLOYED UPON IMPACT. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT CONTACTED. THE VIN WAS NOT AVAILABLE. THE CURRENT AND FAILURE MILEAGE WAS APPROXIMATELY 88,000. UPDATED 12/15/10. *LJ UPDATED 12/27/10
NHTSA ID
10351758
Incident
Aug 21, 2010
Mileage
88,000 mi
Engine
Filed Jun 24, 2010
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 NEVER BEEN RECALLED? AND WHY DOES MITSUBISHI GET AWAY WITH ALL CARS HAVING THIS DEFECT? AND WHY HAS THIS INVESTIGATION NOT RESULTED IN ACTION? IS THERE ANOTHER AGENCY THAT CAN GET RECALL ACTION FROM MITSUBISHI? *TR
NHTSA ID
10339881
Incident
Aug 1, 2007
Mileage
80,000 mi
Engine
Filed May 6, 2010
MITSUBISHI DIAMANTE 2002 HAS FAULTY O-RINGS AND IS WIDELY PUBLICIZED TO CAUSE MAJOR HEATER CORE PROBLEMS AND ANTI-FREEZE LEAKAGE. *TR
NHTSA ID
10329169
Incident
Apr 30, 2010
EngineVisibility
Filed Dec 17, 2009
MY FRONT WINDSHIELD WAS FOGGING UP EVERY TIME I USED THE HEATER AND A SMELL OF COOLANT INSIDE MY CAR--NASTY FILM WAS LEFT, FOUND OUT IT WAS A HEATER CORE PROBLEM. SOMETIMES THE FOG WOULD TAKE 20 MINUTES TO CLEAR UP WITH DEFROSTER ON HIGHEST SETTINGS. THESE PROBLEMS ARE ALL OVER THE INTERNET WITH MITSUBISHI DIAMANTES. I AM SURPRISED THAT THESE HAVE NEVER BEEN RECALLED FOR SAFETY REASONS. *TR
NHTSA ID
10296309
Incident
Sep 19, 2009
Mileage
60,000 mi
Brakes
Filed Dec 9, 2009
ABS CONTROL MODULE. *TR
NHTSA ID
10295040
Incident
Dec 6, 2009
Mileage
32,000 mi
Engine
Filed Dec 9, 2009
HEATER CORE AND O RINGS. *TR
NHTSA ID
10295039
Incident
Oct 15, 2009
Mileage
30,000 mi
Engine
Filed Nov 17, 2009
OUR 2002 MITSUBISHIS DIAMANTE VR-X HAS BEEN MISTING FROM THE HEATER CORE FOR A FEW YEARS. THE PROBLEM IS BAD GASKETS (O-RINGS) THAT JOIN THE HEATER CORE WITH THE LINES FOR THE HEATER HOSES. THE HEATER CORE IS INSTALLED RIGHT OVER THE PCM UNIT. IF IT LEAKS BADLY ENOUGH, THE PCM AND TRANSMISSION RELAY WILL BE DESTROYED. IT (HEATER CORE) FAILED SHORTLY AFTER THE WARRANTY EXPIRED AND WHEN WE WENT TO MITSUBISHI DEALER, THEY REFUSED TO FIX IT. THEY QUOTED US $1400.00 FOR REPAIRS. ON THE INTERNET, THERE ARE HUNDREDS OF COMPLAINTS FOR THE SAME PROBLEM, BUT NO ONE HAS GOTTEN ANY SATISFACTION FROM MITSUBISHI. I PUT SOME RADIATOR STOP-LEAK IN AND THIS SEEMED TO HELP SOMEWHAT, BUT IT IS STARTING TO MIST AGAIN WITH ANTI-FREEZE IN THE PASSENGER COMPARTMENT. THIS IS A TOXIN AND IS DANGEROUS TO INHALE AND WILL JEOPARDIZE MY FAMILY'S HEALTH. *TR
NHTSA ID
10292547
Incident
Jul 1, 2005
Mileage
37,000 mi
Body & structureElectricalTransmission
Filed Nov 2, 2009
I HAVE A '02 MITSUBISHI DIAMANTE AND I HAVE HAD PROBLEMS OUT OF THE HEATER CORE LEAKING AND NOW ITS AFFECTED MY ECU (COMPUTER) I CALL THE DEALERSHIP AND THEY WANT OUTRAGEOUS PRICES TO FIX OR EVEN CHECK MY CAR.. I THINK THAT SINCE ITS A PROBLEM FROM THE DEALER THEY SHOULD RECALL THESE CARS.. I KNOW I WILL NEVER BUY ANOTHER MITSUBISHI AND I WILL NEVER RECOMMEND THEM TO A FRIEND.. WHAT CAN BE DONE ABOUT THIS PROBLEM? *TR
NHTSA ID
10290728
Incident
Oct 16, 2009
Mileage
94,000 mi
Engine
Filed Aug 3, 2009
1 injury reported
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 O RINGS COME POTENTIAL ANTI FREEZE VAPORS ENTERING PASSENGER COMPARTMENT AND CAUSING PHYSICAL DAMAGE TO ALL PASSENGERS. IT MAY ALSO CAUSE THE CAR TO OVERHEAT IN THE MIDDLE OF HEAVY STOP AND GO TRAFFIC AND CAUSE ACCIDENTS AND/OR DEATH. IT MAY ALSO CAUSE THE HEATING ELEMENT TO NO LONGER WORK AND PASSENGERS IN THE EXTREME WINTER CLIMATES MAY BE SUSCEPTIBLE TO PHYSICAL HARM OR DEATH. LASTLY, THIS IS A RAMPANT KNOWN ISSUE WITH THESE VEHICLES AND SHOULD BE CORRECTED AT DEALER COST. MY CAR COST ORIGINALLY $30,000. AND I WOULD EXPECT THE AMERICAN GOVERNMENT TO MAKE THESE COMPANIES BACK UP THE VEHICLES THEY ARE SELLING TO THE AMERICAN PUBLIC AND MAKE THEM SAFE AND WORTH THE MONEY THAT IS SPENT ON THEM. *TR
NHTSA ID
10279201
Incident
Aug 1, 2001
Mileage
78,000 mi
Engine
Filed May 29, 2009
HEATER CORE LEAKS INTO CAR STEAMS UP WINDOWS AND LEAKS ON THE COMPUTER AND CHANGES THE TRANSMISSION SHIFTING. *TR
NHTSA ID
10272391
Incident
Apr 11, 2006
Mileage
71,000 mi
Seat belts
Filed May 20, 2009
THE BUCKLES IN BACK OF THE CAR SEAT DOES NOT HOLD THE STRAPS IN PLACE THEY COME LOOSE JUST BY CARING THE CAR SEAT. I ENTERED IN A DIFFERENT MODEL NUMBER THEN WHAT MY CAR SEAT MODEL NUMBER IS BECAUSE YOU DO NOT HAVE IT IN YOUR SYSTEM MY MODEL NUMBER FOR MY CAR SEAT IS 22-325 PAC GB1B. SORRY BUT I NEEDED THIS COMPLAINT PUT IN IMMEDIATLY BECAUSE I DO NOT NEED ANYTHING BAD HAPPENING TO MY BABY BECAUSE OF HIS CAR SEAT THAT HAS A SERIOUS DEFAULT THAT NEEDS TO BE RECALLED. (RELATED VEHICLE INFORMATION: MODEL YEAR=2002, MAKE=MITSIBISHI, MODEL=DIAMANTE). *TR
NHTSA ID
10269556
Incident
Apr 7, 2009
ElectricalEngine
Filed Mar 10, 2009
THERE SHOULD BE A RECALL, OWN A 2002 MITSUBISHI DIAMANTE. I JUST FOUND OUT THAT THE ANTI-FREEZE SMELL AND THE SMOKE COMING THROUGH THE VENTS IS BECAUSE THE HEATER CORE HAS GONE BAD. THE QUOTE I RECEIVED WAS FOR $1100. MY ANTENNA JUST STOPPED WORKING ON ME ALSO. IT DOESN'T GO DOWN ANYMORE, BUT THE MOTOR STILL SOUNDS LIKE ITS WORKING. WE ARE ALL HAVING TOO MANY OF THE SAME PROBLEMS. THE COMPANY SHOULD BE LIABLE. *TR
NHTSA ID
10261387
Incident
Oct 1, 2008
Engine
Filed Mar 1, 2009
IT HAPPENED OUT OF NO WHERE. NO SIGNS OR WARNINGS TO HELP PREVENT THIS PROBLEM. THE HEATER CORE LEAKS UNCONTROLLABLY. IT'S A LONG LABOR JOB AND HAPPENS PRETTY EARLY IN THE CARS LIFE SPANS. THE PARTS ARE CHEAP TO REPLACE BUT THE CONSEQUENCES ARE DRASTIC. *TR
NHTSA ID
10260351
Incident
Feb 25, 2009
Mileage
103,000 mi
Heating & air conditioningEngine
Filed Feb 28, 2009
WINDOWS FOGGED UP, SMELL OF ANTIFREEZE AND CARPET IS WET ON FRONT PASSENGER SIDE. *TR
NHTSA ID
10260269
Incident
Feb 28, 2009
Visibility
Filed Feb 15, 2009
THE BLACK METAL STRIP ABOVE THE WINDSHIELD CAME OFF WHILE DRIVING. ALL THE PLASTIC CLIPS THAT ATTACH THE WINDSHIELD TO THE STRIP WERE BROKEN, AND SOME WERE EVEN MISSING UPON INSPECTION. I PURCHASED THE VEHICLE USED FROM A DEALERSHIP, AND GOT A CARFAX REPORT THAT SHOWED THE VEHICLE SUFFERED NO PRIOR DAMAGE AND HAD NO PRIOR ACCIDENTS WHATSOEVER. *TR
NHTSA ID
10258708
Incident
Feb 14, 2009
Mileage
80,100 mi
Engine
Filed Feb 3, 2009
I HAVE A 2002 MITSUBISHI DIAMANTE WITH LESS THAN 100,000 MILES AND ALREADY I NEED TO REPLACE THE HEATER COIL. I GUESS THIS IS ON GOING PROBLEM WITH MITSUBISHI. *TR
NHTSA ID
10257278
Incident
Feb 2, 2009
Mileage
74,000 mi
Transmission
Filed Jan 21, 2009
I HAVE HAD THE TRANSMISSION REPLACED INCLUDING THE TORQUE CONVERTER $5000. I AM GOING ON MY SECOND POWER ANTENNA $300. THE MOST RECENT CALLED FOR A HEATER CORE REPLACEMENT $1050. *TR
NHTSA ID
10255920
Incident
Jan 16, 2009
Mileage
68,228 mi
Engine
Filed Dec 15, 2008
THE HEATER CORE OF THE 2002 MITSUBISHI DIAMANTE NEEDS TO BE RECALLED AND/OR REDESIGNED BY MITSUBISHI. AS IT IS, JUST ABOUT EVERY SINGLE POST I SEE ONLINE ABOUT THIS CAR HAS THE EXACT SAME PROBLEM. THE HEATER IS POSITIONED DIRECTLY ABOVE THE CAR'S COMPUTER , OR ECU , AND THEREFORE CAUSING PROBLEMS WITH THE ENGINE, TRANSMISSION, SUSPENSION, ETC.. THE ENTIRE 80-PAGE THREAD LINKED BELOW IS ALMOST COMPLETELY ABOUT THIS ISSUE : HTTP://WWW.CARSURVEY.ORG/VIEWCOMMENTS_REVIEW_76426.HTML THERE ARE MANY OTHERS LIKE IT. THE ISSUE IS MENTIONED IN TECHNICAL SERVICE BULLETINS BY MITSUBISHI BUT IS NOT RECALLED. PEOPLE ARE BUYING THIS CAR USED AND HAVING TO REPLACE THE HEATER CORE (AROUND $1200 REPAIR). *TR
NHTSA ID
10251904
Incident
Nov 15, 2008
Mileage
95,000 mi
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
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