www.changlin.com.cn Remove and discard the coolant filter. Clean the coolant filter gasket surface. Apply a light film of clean 15W-40lubricating oil to the gasket sealing surface before installing the coolant filter. Caution: Mechanical over-tightening may distort the threads or damage the coolant filter head. Install the filter as specified by the filter manufacturer. Open the engine coolant shutoff valve and install the coolant system pressure cap. NOTE: Failure to open the engine coolant shutoff valve can result in severe engine damage. 52 / 149 pages