A coolant leak may develop from the heater core, requiring replacement of the heater core.
Problems for specific Mitsubishi Diamante years:
Car problem reports
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Most reported 2002 Mitsubishi Diamante problems
A brake pedal pulsation may be noted on brake apply. This is commonly caused by warping of the front brake rotors. Our technicians remind us that re-machining (turning) the rotors can correct this issue but the repair may last only a short time as the thinner rotors would be even more prone to warping. Replacement of faulty rotors with high quality parts is often the best option in these situations.