Question about 2003 Nissan Altima
There is one thermostat for coolant and it is located at the end of top radiator hose inside the kneck that it connects to. To replace this the hose has to be removed and then the kneck,thermostat is brass colored valve that covers center of hole,clean old gasket from block side and kneck replace with new one and gasket with a bit of rtv sealant tighten kneck evenly when putting it back on,connect hose wait a short while for rtv to set up and should be good to go,"make sure engine is full of coolant b4 reassembling,just pour strait in engine if it isn't or you can damage new thermostat.overheating can also be sign of water pump not working as well so if still having problem then it is possible cause and on older models radiators get clogged.
Posted on Apr 20, 2009
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Posted on Jan 02, 2017
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