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The primary reason coolant leaks occur in a 2011 INFINITI G37 is due to a loose or damaged hose within the cooling system. These hoses are secured with hose clamps, and if these clamps become loose, leaks can develop. Older hoses may also develop leaks as the rubber material can become brittle and crack over time. Additionally, it is recommended to inspect the radiator for potential leaks, as the plastic radiator in your INFINITI may develop leaks at the top or bottom of the core if damaged. Unfortunately, if the radiator cracks, it cannot be effectively repaired and will need to be replaced.
A coolant leak in the 2011 Infiniti G37 may occur due to a damaged hose or radiator.