How do you replace the thermostat?
Follow the top radiator hose to the engine. There is a radiator hose clamp, remove that for easier access to the bolts. There is a removable piece attached to the engine.(2-3 bolts) The thermostat sits in here. Remove the thermostat (piece has a spring) Remember how you took it out and replace the new one in the same way. Put on a new gasket and sealer. Tighten bolts. Replace hose. All Done. Remove the top water line from the radiator to the water pump. The thermostat is found there. In most cases-- Drain about 1 gallon of coolant from radiator Follow upper radiator hose to engine it should connect to a housing remaovable by 2 bolts Remove housing - note how thermostat is installed and install new in same position Clean both surfaces well Install new gasket Tighten both bolts securely and evenly Fill Radiator Slowly to prevent becoming "airbound" Start car and check for leaks Warm to Normal operating temp and check coolant level On some vehicles the thermostat is inline with the lower radiator hose.
To replace the thermostat on a Chrysler Pacifica, first locate the thermostat housing just behind the alternator. Remove the two bolts holding this on, then remove the old thermostat. Replace with a new thermostat and thermostat gasket. The put the bolts back in and tighten down. Make sure to check the antifreeze levels after this project.
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.
To replace the thermostat on a 1988 535i, first locate the top radiator hose and remove the end connected to the motor. Take out the old thermostat and use gasket cleaner to remove the old gasket. Then replace the gasket and thermostat exactly as it was when it came out. Tighten up the radiator hose over the thermostat.