1997 Chevrolet Blazer Owner's Manual - Page 280

Turning the radiator pressure cap the when engine and'radiator are can allow steam and hot scalding liquidsto blow out and burn you badly. With the coolant recovery tank, you will almost never have to coolant at the radiator. add Never turn the radiator pressure cap even a little when the engine and radiator arehot. -- -- I .dd DEX-COOL@coolant mixture at the vnlrnmk, but be careful not to sp"' + ;