Coolant leaks on Dodge D350

The following cooling system components are prone to leaks: Thermostat housing gasket, water pump, heater tube o-ring at water pump housing, intake manifold gasket, and timing cover gasket. These are generally external, not internal coolant leaks so intermix with the engine oil in uncommon.

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Average mileage: (–)
2 model years affected: 1992, 1993
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