more than likely it is the water pump gasket,it probably has a tear in it or just dry rotted from age and use or if it is leaking out of the water pump itself it is the seal inside the water pump itself if this is the case the water pump must be replaced if it is the gasket just replace the gasket ...
you have a vacumn leak.
water leak or bad thermostat
cracked hoses
We are going to need to know where the source of the leak is to help you with that question.
It will more than likely leak not make a funny noise. They have a releif for pressure when they go bad.
The simple and really only answer I can give you is to find the leak and repair it.
if your 1987 Nissan pickup leak water from manifold what do we do
If a 1997 Nissan Altima cuts off at a stop light, there is a problem with the fuel getting to the engine. When you are accelerating, there is pressure and a higher flow of fuel, which is why it won't cut off then. The problem could be a leak in the fuel line, the fuel pump itself, or a fuel filter. It will need to be serviced.
Because there is a hole in the hose! Replace the hose
replace fuel cap with Nissan only OEM replacement.
Most likely a fuel leak or sticking injector. Try injector cleaner first to see if it helps. It probably won't but it's worth a try.
replace the hose or gasket the is leaking, you can spray carb cleaner around the eng whil runnig to locate the leak the eng will try to stall