| Noticed this leak today. My oil pressure is pretty high on startup since it has been cold out. Car has 43k and the turbos have no shaft play and spin smoothly. I don't get any smoke at all in the engine bay or from the exhaust. Is this just the cooler lines? I'd imagine they need replaced after 16 years. Should I use silicon lines or just the OEM Nissan's lines. Is this a fairly simple job considering I have done the clutch and fuel injectors/plenum pull. I have an indoor garage and lift to work on it. 

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