Have you checked for Carbon Monoxide in the radiator coolant? If it's there, you have a leaking headgasket. The problem is, if your Nissan overheated for any reason, the head can warp and result in a leaky headgasket. Once that happens you'll never be able to keep it from overheating.
The 2003 Nissan thermostat is located inside of the thermostat housing. You can follow the bottom radiator hose directly to the thermostat housing.
The thermostat on a Nissan X-Trail is replaced by draining the radiator, disconnecting the upper radiator hose, removing the thermostat housing, and pulling out the thermostat. A new thermostat can be dropped into place and a new gasket installed.
the thermostat is located at the engine end of the lower radiator hose inside of the housing that the radiator hose connects to.
The 2002 Nissan Maxima thermostat can be found on the front of the engine in the thermostat housing. You can follow the bottom radiator hose directly to the thermostat housing.
follow the top radiator hose
The 1997 Nissan Ultima thermostat is located on the front of the engine. You can follow the water supply hose from the radiator to the thermostat housing.
The thermostat on a 96 Nissan Altima is located on top of the engine at the upper radiator hose. It is contained under the thermostat housing which holds it in place.
In the thermostat housing on the front of the engine were the radiator hose attaches
follow the top hose off of your radiator and this is where your thermostat is
To replace the thermostat on a 1987 Nissan pickup, drain the radiator. Locate the thermostat which is under the top hose assembly, and remove the screws holding it in place. Put the new one in position and refill the radiator.
Stand in the front of the car and follow the upper radiator hose on the left. The thermostat should be in the housing where the radiator hose ends.
The thermostat on a 2001 Nissan Frontier 4 cylinder is located on top of the water pump. The thermostat can be found by following the upper radiator hose.
follow the top radiator hose to intake ,its inside the thermostat cover.
You can find the 1997 Nissan Maxima thermostat on the front of the engine. You can follow the top radiator hose directly to the thermostat housing.
The thermostat housing is located below the alternator and directly across from the lower right side of the radiator(not the lower radiator hose side).
below radiator hose at the thermostat
water leak or bad thermostat
follow your top radiator hose to your intake,its in their.
follow top radiator hose ,its inside the cover.
at end of top of radiator hose.
The thermostat on a 1989 Nissan Sentra is on the front of the motor to the left. It is just below where the valve cover meets top of the manifold. The thermostat is enclosed in the radiator hose at that location.
follow your top radiator hose,its in the thermostat cover,two bolts hold it on.
You will find the thermostat on the passengers side of the engine where the top radiator hose goes into the engine.
I have a 1997 Nissan 2wd pickup with an automatic transmission and 4 cylinder. The thermostat is located on the lower radiator hose under the power steering pump.
The thermostat on a 1995 Nissan Sentra 1.6 is located behind the water inlet. The water inlet is positioned at the end of the lower radiator hose.