IMO that whole design is very poor. But what do I know? I don't work at Nissan, I just consume their products. I knew it will have issues as soon as I found that Nissan was installing a "heat exchanger" not a oil cooler per say. And the construction of the oil adapter looks like can easly corrode/wear out thus creating and even bigger problem. "Hint Hint" water oil mixture. I'm just saying
