Engine And Engine Cooling Problems of Mitsubishi Diamante

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!.

See all problems of the 2002 Mitsubishi Diamante 🔎.

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 drive. I have read many similar complaints and agree with others that Mitsubishi needs to issue a recall for the heater core, as I am sure this is the problem. I have yet to take mine in to get it repaired, so I don't have a cost quote at this time.

See all problems of the 2003 Mitsubishi Diamante 🔎.

Heater core and o rings.

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.

Windows fogged up, smell of antifreeze and carpet is wet on front passenger side.

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.

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. . Read more...

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.

Heater core is leaking car only has 82,000k on the dash. As I have gone through various car forums and have come to realize this is a very common problem.

I bought my car used from the dealership, and drove about 200 miles before I realized the antifreeze smell as well as my windows began to fog. After reading the vast amount of heater core problems in the Mitsubishi Diamante, I decided to file a complaint. Antifreeze in the cab of the car cold lead to health issues and the consistent fogging of the windows can lead to little to no visibility. The windows will randomly become intensely greasy with antifreeze backup, this can happen at anytime when I am driving. I am extremely concerned about getting into an accident due to my visibility, and am getting my eyes checked out just incase the antifreeze has affected them. Thank you.

2003 Diamante issues. Started smelling a syrupy type smell, coolant smell throughout the cabin and had fumes escaping through the vent in the car. Coolant level dropping with no visible signs on the ground. Looks to be the heater core. Nothing has been done yet. Seen multiple complaints regarding the same issue and on this site. Wondering why so many complaints have been sent, but nothing done yet?.

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?.

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 passenger 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 main.

Since I bought the used car in 2003 I found the car smelled sweet, antifreeze coolant inside, but I thought it was normal for the car. But in Feb, the burning odor became stronger especially when I turn on the heater. Now, the front interior windows become fogs up right away whenever I turn on the heater or just driving. The odor is getting me sick, and the windshield is so fogged that I need to constantly wipe it just to see out. I think this is becoming unsafe to dirve.

See all problems of the 2001 Mitsubishi Diamante 🔎.

On Friday, Jan 19, 2007, I went to my 2003 Mitsubishi Diamante vrx after work to go home. When I got to it, all windows were totally fogged over, which is abnormal. With high heat, I was able to clear a portion of the windshield, relying on a paper towel to clear the remainder. I parked the vehicle for about 2 hours after arriving at home and had to rely on paper towels to clear the windshield once again. This time, I noticed a distinct antifreeze smell. The following day, the sunlight showed the film to be of a green color. At this time, I realized that the windows weren't foggy, but it seemed that antifreeze vapors were blowing into my car. After some research on the Diamante owners' group website, it was evident that the heater core or o-rings were causing this. I took the vehicle to lawson Mitsubishi, where it is being repaired. This is something that happened with little identifiable warning. Had this happened on the road, an accident would have surely ensued.

I purchased a used 2002 Mitsubishi Diamante in August 2005. The car had 45,000 miles on it. In October when I started to use the heater I could smell an unusual smell inside the car. In January of 2006 my brother rode in the car and told me the smell was anti-freeze. I went on the internet and instantly found out that this model car has a problem with the heater core o-rings failing. The smell in the car got real bad real quick and I had to have the leaking o-rings repaired. I would get sick from the smell and had no choice but to have it fixed. I brought the car to a Mitsubishi dealer and had the repair done for $650. The car had 48,000 miles on it when the repair was made. That is alot of money for problem that Mitsubishi should have corrected.