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.
How do you change a water pump on a 2002 Nissan Sentra?
how to change waterpump on 1999 Nissan Sentra 1.6 engine
AT THE TOP UPPER HAND LEFT SIDE OF THE ENGINE. BY THE WATER PUMP HOSE
located between the firewall and the motor on the trans side takes a bit of time and a lot of trouble but you can do it w/o moving the ac lines
If the thermostat, and water pump are good,A bad head gasket will cause overheating
asapHow do you check for a bad water pump on a Nissan quest
do a coolant pressure test.
Behind the water pump
On my 93 the thermostat is behind the water pump. If you remove the waterpump you will see the thermostat.