Originally no heat and over heating. changed thermostat and water pump. Flushed system add new coolant. working ok for 2days. Now has same problem.
If the engine has overheated, chances are pretty good that you now have a warped or cracked cylinder head and a blown head gasket. Those engines are very unforgiving when it comes to being overheated.
SOURCE: Nissan Sentra Super sallon Coolant level reduce by 1 cm bioweekly
not frequently,maybe once a month. if the coolant is going down "drasticly",and no visible signs of a leak,then you have a bad head gasket..
SOURCE: 2004 Sentra: How you change transmission Fluid in Nissan Sentra...
good day Sir, try this link i hope this will help you.
nissan sentra2003
SOURCE: 1996 nissan sentra
Find the big hose that comes out of the top of the radiator and follow
it to the engine and that is where the thermostat is located. My
advice is to be sure to get a factory thermostat and rubber gasket as
it makes installation much easier. I have done it both ways and the
factory one is easier to install.
SOURCE: new thermostat,waterpump,coolant,block flushed rad
take the thermostat out and heat it up in a pan of water to see if it will open when it gets hot.
you should see it open when it gets hot.use a cooking thermometer to watch the temp. it should open between 180 and 225 deg.
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