This galvanic corrosion can slowly eat through the metal, creating tiny pinhole leaks that are difficult to detect but equally damaging. In the aging fleet of 6.
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Urgent Steps for Temporary Mitigation Upon discovering a leak, immediate action is required to prevent further damage. Furthermore, a rapid and unexplained drop in the engine oil level, without any corresponding consumption by the engine, strongly suggests that the oil is escaping into the cooling system or onto the ground.
The process begins with a thorough diagnostic to confirm the source of the leak and assess the cooler's condition. Complete Cooler Replacement and System Flush.
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These components are subjected to constant high pressure and extreme temperature fluctuations, which cause them to harden, crack, or become brittle over time. The oil cooler lines or the cooler core itself may appear wet, greasy, or actively dripping.
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