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3. Then fill the coolant surge tank with the proper
mixture, to the base of the filler neck.
4. With the coolant surge tank pressure cap off,
start the engine and let it run until you can feel
the upper radiator hose getting hot. Watch out for
the engine cooling fans.
By this time, the coolant level inside the coolant
surge tank may be lower. If the level is lower,
add more of the proper mixture to the coolant surge
tank until the level reaches about 2.5 inches (6.4 cm)
below the base of the filler neck.