You need to drain the engine coolant as the first step before starting the Engine Oil Cooler service process. Begin by draining the engine oil using the oil pan drain bolt and afterward dispose of the
Oil Filter. The first step requires disconnecting coolant hoses at the oil cooler whereas the removal and disposal of the oil cooler comes next. The service process starts with installation of a fresh oil cooler unit while performing the reverseREMOVE procedures then adding clean engine oil into the crankcase.