Power Train Related Problems of the 2003 Mitsubishi Diamante

Table 1 shows two common power train related problems of the 2003 Mitsubishi Diamante. The number one most common problem is related to the automatic transmission (three problems). The second most common problem is related to the transmission fluid leaking (one problem).

Table 1. Power Train related problems of Mitsubishi Diamante


Recently reported Power Train problems of the 2003 Mitsubishi Diamante

The Automatic Transmission problem

I own a 2003 Mitsubishi Diamante, around 60k miles I started noticing a sweet smell from the vents and a constant fog when the heat or air was turned on in the car. After taking my car to the mechanic I was told that my heater core was busted.   Read details...

The Transmission Fluid Leaking problem

The contact owns a 2003 Mitsubishi Diamante. The contact stated that the heater core fluid leaked onto the central computer and caused the transmission to fail. In addition, the gear shifter could not be released from third gear. The vehicle was not taken to the dealer. The vehicle was not repaired.   Read details...


Power Train related problems in other Mitsubishi Diamante model year vehicles:



Fuel Economy of Diamante Vehicles
Diamante Service Bulletins
Diamante Safety Recalls