Question about 1996 Nissan Sunny
The water boils from the radiator and the water goes back to the water supply bottle what is the reason? the radiator water quickly boils although water is there in the container .why is that?
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Terrano overheating
this problem can be caused caused by the following 1 radiator blocked internaly and needs servicing 2 thermostat jammed closed 3 radiator cap u/s the radiator may look fine but blocked @ the bottom where you cant see it.
good luck Lindz
Posted on Mar 28, 2009
Your thermostat could be stuck. With it boiling over and and overheating it sounds like the thermostat isn't opening up to let the water flow to cool the engine and causing the engine to overheat.
Posted on May 02, 2010
SOURCE: cooling system overheating
Hi! Theres a coolant reservoit that connects thru the radiator. The coolant level should not be full, it must be just on the HI / MAX indicator. You fill it too much it will spill and leave you with no coolant to circulate. That may be the cause of overheating. HOpe this helps and have a good one!
Posted on May 03, 2010
It certainly can cause the condition, but so can TONS of other items: coolant level, bubbles in the coolant (air bleeds), reaiator restrictions.
You could test the thermostat, pull it and put into measured temprature water and observe it as you raise the temprature...
Posted on May 30, 2010
SOURCE: Removed my thermostat and tested
From here I don't know know what problems you are having exactly, but I'll take a shot to see if I can help. Your thermostat may have done well in boiling water, however, it may be intermittently failing, or sometimes getting stuck. Also it is MANDATORY in modern cars to have anti-freeze. a 50/50 mixture with water seems to work best. Anti-Freeze raises the boiling point considerably allowing engine to operate at higher temperatures. This is not necessarily bad as more contamination is burnt off under these circumstances.
Also I would check the factory specification for the thermostat temperature. i.e. The temp that it is supposed to open at. If you didn't purchase the Sentra new, then the Thermostat specification may have been changed by someone who "knows better" but doesn't really.
The cooling fans on most of the front wheel drive cars that I have owned and on my 23 year old Mercedes come on above the boiling point of water. By the way, in a sealed system, the water boils at a considerably higher temperature. It is perfectly normal for the coolant to move to the overflow tank when an engine warms up. It also returns to the engine when the engine cools off.
I hope this material helps you.
Posted on Jan 21, 2011
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