1999 GMC Jimmy "engine thermostat" Questions

the end of the radiator hoseat the engine.Just follow the upper radiator hose the the engine and the hose hooks up to the thermostat housing.Remove the 2 bolts and the thermostat is under this housing

...engine to reach a temp that the computer is set to see. So the thermostat is either malfunctioning, or your temperature sender unit is reporting the wrong thing to the ECU. Probably a good time to ...

thermostat located? inside the engine Its not hard to find the thermostat all you have to do is follow the top radiator hose to the intake, once there the hose will be connected to the thermostat

thermostat? have you checked visually to make sure your cooling fan for engine is coming on?after the engine reaches operating temperature,the fan in front of radiator will come on,it's heat activated

...thermostat housing which is connected to the upper radiator hose, and mounted on the top of the engine to the intake manifold. it maybe a plastic housing, or aluminum, it will have two bolts. follow ...

...the uper radiator hose from the radiator to the engine and it will lead you to the thermostat housing.Take note on how the thermostat is in the engine and put it bake the same way with the new

...engine. Remove the thermostat from inside the elbow. Install new thermostat in the reverse order of removal, making sure the spring side is inserted into the elbow. Clean the gasket surfaces on the ...

...engine opening. Test the new thermostat before installing it to be certain that it's operating properly. Fill a 4-inch-deep bowl with very hot water. Grab the thermostat upright using your pliers and ...

...MINS AND THE ENGINE OVERHEAT Assuming you checked the coolant level and it was fine, it is probably a stuck thermostat.  Feel if the radiator hoses get hot.  If not, the thermostat is

...engine is still cold and slowing warmup. Check by shining torch at thermostat valve seat to see if there any gaps. Most thermostats also have a little tickle valve in the outside rim, that is held ...