Problems · by component

2001 Mitsubishi Diamante visibility problems

56 owner complaints to NHTSA about the 2001 Mitsubishi Diamante cite visibility, 72% of all 78 complaints for this model year.

Complaints
56
72% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
3
Reported by owners
01 —Owner reports

What owners say about the visibility

Verbatim from NHTSA complaints, newest first
“WINDOWS ARE FOGGING UP DO T A FAULTY HEATER CORE. I REALLY DON'T MIND REPAIRING THE CAR SEEING THAT IT HAS 120K ON IT.. I PURCHASED THE CAR BRAND NEW AND THIS WILL BE THE 3RD HEATER CORE!!! WHAT'S GOING ON! *TR”
Owner complaint to NHTSAFiled Apr 9, 2009VisibilityODI 10264812
“MITSUBISHI DIAMANTE INFAMOUS HEATER CORE PROBLEM ANTIFREEZE LEAKS INTO INTERIOR OF CAR. HORRIBLE SICKENING ANTI FREEZE SMELL, HAPPENS ON AN ABUNDANCE OF MITSUBISHI CARS. *TR”
Owner complaint to NHTSAFiled Aug 13, 2008VisibilityODI 10237949
“HEATER CORE IS CAUSING THE WINDOWS TO FOG UP, THE CAR TO SMELL LIKE ANTIFREEZE AND MAY BE DAMAGING THE ECU. THERE ARE HUNDREDS OF POSTS ONLINE ABOUT PEOPLE HAVING THIS PROBLEM OVER AND OVER WITH THIS CAR. IT IS CLEARLY A MANUFACTURERS DEFECT AND CUSTOMERS ARE LEFT PAYING THOUSANDS OF DOLLARS FO THE REPAIR. *TR”
Owner complaint to NHTSAFiled Apr 14, 2008VisibilityODI 10224497
“MY 2001 MITSUBISHI DIAMANTE'S HEATER CORE WENT UP. I HAVE MASSIVE AMOUNTS OF COOLANT LEAKING ON MY PASSENGER SIDE, THICK SMOKE COMING FROM MY VENTS AND A BAD ODOR COMING FROM THE VENTS. I HAVE READ THIS IS A VERY VERY COMMON THING WITH MITSUBISHI'S ESPECIALLY DIAMANTE'S. *TR”
Owner complaint to NHTSAFiled Jan 17, 2008VisibilityODI 10215285
“JUST RECENTLY STARTED HAVING REALLY FOGGY WINDOWS AND STARTED TO NOTICE SWEET SMELL COMING FROM CAR WHEN HEATER/DEFROST WAS TURNED ON. NOTIFIED DEALER OF PROBLEM AND DEALER QUICKLY IDENTIFIED PROBLEM AS HEATER CORE DEFECT. *TR”
Owner complaint to NHTSAFiled Nov 27, 2007VisibilityODI 10210022
“TL*THE CONTACT OWNS A 2001 MITSUBISHI DIAMANTE. THE WINDOWS FOGGED UP WHEN THE AIR AND HEAT WERE ACTIVATED. THE PASSENGERS COULD SMELL ANTIFREEZE. THE DEALER STATED THAT THE HEATER CORE FAILED DUE TO DEFECTIVE O-RINGS AND NOTICED ANTIFREEZE LEAKING ONTO THE MICRO PROCESSOR. THE MICRO PROCESSOR AND HEATER CORE WERE REPLACED. THE FAILURE MILEAGE WAS 70,000 AND CURRENT MILEAGE WAS 75,000.”
Owner complaint to NHTSAFiled Nov 13, 2007VisibilityODI 10208833

Showing 6 of 56 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.