24. SERVICE PROCEDURE 1. Stop the engine and tighten corrosion resistor valve 1 (2 places). 2. Turn radiator cap 2 slowly, and remove it. 3. Open drain valve 3 at the bottom of the radiator, drain plug 4 at the side of the cylinder block, and drain the water. 4. After draining the water, close drain valve 3 , drain plugs 4 , and fill with city water. AE616450 5. When the radiator is full, open drain valve 3 , drain plug 4 , start the engine, and run it at low idling. Keep the engine running at low idling and flush water through the system for 10 minutes. When doing this, adjust the speed of filling and draining the water so that the radiator is always full.
While flushing water through the system, watch carefully that the water inlet hose does not come out of the radiator water filler. AE133910 6. After flushing, stop the engine, open drain valve 3 and drain plug 4 , then close them after all the water has drained out. 7. After draining the water, clean with a flushing agent. When flushing, follow the instructions given with the flushing agent. 8. After flushing, open drain valve 3 , drain plug 4 , drain all the water out, then close drain valve 3 , drain plug 4 and add city water until the water level is near the opening of the water filler. 9.
After filling with water, open drain valve 3 , drain plug 4 , start the engine, and run the engine at low idling to flush the system until clean water comes out. When doing this, adjust the speed of filling and draining the water so that the radiator is always full. 10. When clean water comes out, stop the engine, then close drain valve 3 , and drain plug 4 . 3-26