Its one that is in the middle of the timing belt cover, so under neath the upper part its located in a silver pipe that has a triangle joint. To replace it you would have to remove the fan cover, and the fan, and a couple of belts and u should go on from there to remove the 3 screws on the triangle like pipe and inside is ur thermostat
water pump
its right in front of the motor one of the silver pipes... take out the rad and then take the fan off for good acsess... then pull the thermostat off.
should eather be at the top in to engine or on bottom hose coming from engine
the main hose coming off the top of the radiator were it goes int0 the engine.
To install a thermostat on a 1987 Nissan 300ZX, remove the two nuts and one bolt on the lower water neck. Slip off the old thermostat and use a gasket sealant to secure the new thermostat.
On my 93 the thermostat is behind the water pump. If you remove the waterpump you will see the thermostat.
In the thermostat housing on the front of the engine were the radiator hose attaches
Where is the ignition control module on a 1987 nissan 300zx
When changing the thermostat on a Nissan 300zx first drain the coolant from the engine. Then find the lower coolant hose on the radiator. Trace the hose to the thermostat housing. Remove the housing to uncover the thermostat and replace the unit with a new thermostat.
You'll have to take off the water pump because that is where the thermostat is.
it is located on the transmission itself
The bleeder valve for fuel injection for 1986 Nissan 300ZX is located at the furthest end of the fuel rail.