Mitsubishi Diamante owners have reported 1 problem related to engine head gasket leaking (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mitsubishi Diamante based on all problems reported for the Diamante.
2001 Mitsubishi Diamante experienced problems with the heater core. The heater core had to be replaced because anti-freeze was leaking into the passenger compartment and fogging the windshield. When the heater core was being removed, the consumer noticed it failed to have sufficient insulation. The oil pan gasket was leaking and the upstream oxygen sensor was replaced.
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all problems of the 2001 Mitsubishi Diamante
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