Follow the upper radiator hose from the radiator to the engine and at tne engine you will see the thermostat housing. Take out the two bolts and remove the thermostat and when you reinstall it make sure the spring goes toward the engine. You will likely need a deep socket set in order to remove the bolts. You may also need to remove the air filter in order to access the bolt to the rear.
Have a care when replacing the thermostat housing. The constant heating and cooling (and likely the chemicals in the anti-freeze) makes the metal brittle.
It should have a 195 degree thermostat.
Follow the upper radiator hose from the radiator to the engine. It is attached to the thermostat housing. Removing the thermostat housing will expose the thermostat.
An alternator from a 2000 Chevy blazer will fit a 2002 S10 blazer with a little fabrication.
Will a Chevy blazer engine fit in a Chevy s10 pickup
Yes
time for an oil change
Need to know what year and engine.
Will a Chevy Blazer engine fit in a Chevy s10 pickup
The temp sensor for the ECM (engine control module) is next to the thermostat housing.
Will a 2000 blazer transmission fit a 1998 s 10 chevy 4x4 truck
We need to know what year that S10 Blazer is.
Chevy s10 blazer lug pattern is 5x4.75 with 6" back spacing