Cooling SystemDiagnostic helpCommunity Starter

2013 Infiniti G37 — coolant slowly disappears without an obvious leak

BoostGuy18Community StarterMay 17, 20262013 Infiniti G37 xSPortland
2013 Infiniti G37 xS, about 133,000 miles. The reservoir goes from full to low over several weeks. No puddle, oil looks normal, and I cannot find dried coolant around the hoses. Is a pressure test the next logical move?
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