Where is the thermostat for a 1986 Nissan 300zx?

The thermostat for a 1986 Nissan 300ZX is located in the engine compartment, specifically at the end of the upper radiator hose where it connects to the engine. To access it, you typically need to remove the hose and then unbolt the thermostat housing. This component regulates the engine's coolant flow to maintain optimal operating temperature. Be sure to check the vehicle's service manual for specific instructions and torque specifications.