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(2) Connect a container under the radiator. Remove the outlet hose of radiator or open the drain plug of radiator.
——Cleaning cooling system: down. (4) Drain water following method: a. Drain coolant drained is clean. c. Connect the hose connected to water supply to the water outlet of thermostat seat to wash the engine until the water drained from the water pump inlet is clean. d. If radiator is too dirty, it may be washed from the reverse direction. Connect the hose connected to the water supply to the water outlet of thermostat seat to wash the engine until the water coming out from tight (2) Remove the pressure cap and add coolant by the filler of expansion tank slowly. Since the expansion tank is in the highest point of cooling system, with the coolant level raising, the air in the system will (3) Keep adding coolant until coolant level reaches the “maximum” line. Install the filler cover to avoid coolant splashing. (4) Start engine and keep idling. Warm engine to normal working temperature. Fan starts to run. Observe the water thermometer and check if engine is overheated. If the coolant level of expansion tank drops (5) Stop engine to cool engine completely (one night if possible). Remove pressure cap and check coolant level, fill coolant to the “maximum” line. |