Replacing a thermostat on a 1998 silhouette where is it and how hard is it to replace?
To replace a thermostat on 1998 Silhouette, locate it under the top hose assembly inside the radiator. It is fairly easy to replace with the right tools.
To replace the thermostat on a 1998 Cadillac, locate the area you will be working in. The thermostat is located at the rear of the engine on the drivers side. Then locate the upper hose. Remove the upper hose from the housing and disconnect the unit. You can then safely replace the thermostat piece.
First the thermostat must be located on the 1998 Toyota Rav 4. The thermostat housing is on the left side of the engine under the exhaust manifold. The lower radiator hose flows directly to it. Drain the coolant, remove the hose and mounting bolts. Replace the thermostat from the inside of the housing and reinstall.