Raise retaining clips -1- and detach coolant hoses. Pos. -2- can be ignored.
Disconnect connector -1- from thermostatic actuator -N493-.
Remove bolts -1...5-. Detach thermostat actuator -N493- from mounting pins and from engine oil cooler.
Installation
Installation in reverse order.
Note: Replace gaskets and O-rings.
Moisten O-rings -4- with coolant concentrate, coolant concentrate. Check whether both mounting pins are present in the cylinder block, install if necessary. Insert the connecting pipe -2- into the engine oil cooler -1-. Position thermostatic actuator -N493- -3- on connector and push onto dowel pins.
Tighten down thermostatic actuator -N493-. Install coolant pump. Fill up the coolant.