1997 Mitsubishi Diamante Recalls
No NHTSA recalls on record for the 1997 Mitsubishi Diamante. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 51 complaints with NHTSA, most often about the power train. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“Tl*the contact owns a 1997 mitsubishi diamante. The vehicle has cooper lifeliner classic ii tires, size 115/60/15. While driving approximately 70 mph, the rear driver's side tire spontaneously blew out. The contact lost control of the vehicle and crashed. The vehicle was completely destroyed and a…”
“There is a major problem with the mitsubishi diamante heater core going out. Mine went out a few days ago and was informed by mitsubishi it will cost me 965 to replace. Even though there are hundreds of mitsubishi diamante owners complaining about this problem including with people that have as…”
“Tl*the contact owns a 1997 mitsubishi diamante. The contact stated that the radiator leaked due to the heater core. The radiator leaked onto the carpet when the heat was activated. The contact stated that he and his family have inhaled toxic fumes from the radiator leaking onto the carpet and they…”
“Heater core randomly cracked one day, causing a tear-like spill of anti-freeze through the top of the radiator. Car was taken to a mechanic and we tried welding the cracks. Anti-freeze still spilled out and anti-freeze smell came in through air events and the liquid also burned, causing smoke to…”
“The paint on the roof and trunk deck of my 1997 diamante is fading with white patches. The hood and body paint looks good as new. I waxed my vehicle at least 3 times a year. Is this a defect from the factory I have notice several similar models with the same problem. What should I do about the…”
“Dt: consumer had 1997 mitsubishi diamante. Consumer took vehicle to dealer,. Vehicle had a gas leak, dealer could not find hole in gas tank, consumer replaced gas tank, about 8 months after gas tank was replaced the vehicle exploded. *ak”
“Safety - transmission: at 9,500 miles my car started lurching when stepping on the gas from a stop. It supposedly was repaired but has continued to be problem and each time I bring it in for service the dealer can not recreate the problem. Since I had not heard that this has been on going problem…”
“Safety - transmission: at 9,500 miles my car started lurching when stepping on the gas from a stop. It supposedly was repaired but has continued to be problem and each time I bring it in for service the dealer can not recreate the problem. Since I had not heard that this has been on going problem…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1997 Mitsubishi Diamante as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.