TM 5-3805-258-24-12. Open the radiator drain valve anddrain all the coolant from the engine andthe radiator.6. Add the coolant slowly, 20 liters (5U.S. gallons) per minute or less, to theproper level.3. Remove all drain plugs to speed drainingof the coolant. See the topic “CoolingSystem - Cleaning” under “WhenRequired.”4. Close the drain valve and install all drainplugs.7. Add 2 liters (2 quarts) of coolingsystem conditioner, to provide a 3%concentration of conditioner in thesystem.8. With the radiator cap removed, startthe engine. Allow the coolant to warm andthe coolant level to stabilize.5. Mix the coolant solution, (See “RefillCapacities”) to provide protection to thelowest expected ambient temperature.1-82
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