1996 Infiniti I30 Q&A
1996 Infiniti I30 Question: coolant boils out the overflow.
What you see 'boiling' is probably combustion gasses leaking into the cooling system. That would explain the coolant loss, too. get the head gaskets checked for leaks by an Infiniti specialist. If you want to find a specialist, here's a directory link for you: https://repairpal.com/directory?address=42134&car_brand_names=Infiniti - Superbob