Remove the oil filter.
Drain the liquid from the cooling system.
Pic. 3.22. Oil heat exchanger: 1 - hose; 2 - oil filter; 3 - nut; 4 - oil heat exchanger
Disconnect the oil inlet and outlet hoses from the oil heat exchanger (pic. 3.22).
Remove the oil heat exchanger mounting nut, after which the oil heat exchanger can be removed from the cylinder block.
Before installation, replace the oil seal and position the oil heat exchanger so that the mark «UP» was directed upward. Tighten the oil heat exchanger mounting nut to the required torque.
Install a new oil filter and connect the hoses.
Pour fluid into the cooling system. Start the engine and check for oil or coolant leaks.
Switch off the ignition. Check oil and coolant levels and top up if necessary.