Chevrolet 1999 Cavalier Owner's Manual page 223

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3. Then fill the coolant surge tank with the proper 4. With the coolant surge tank pressure cap off, start the
mixture, to the FULL COLD mark. engine and let it run until you can feel the upper
radiator hose getting hot. Watch out for the engine
cooling fan.
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 the FULL COLD mark.
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