1993 Pontiac Trans Sport Owner's Manual - Page 238

3.1L V6: Checking Coolant To Add Coolant: If you need more coolant, add the proper mix at the coolant recovery tank. Add coolant mix at the recoveryt n , ak but be careful not to spill it. 3800 V6: Checking Coolant cap when the engineand radiator are hot can allow steam and scalding liquids to blow out and burn you badly. With the coolant recovery tank, you will almost never have to add coolant at the radiator. Never turn the radiator pressure cap-even a little-when the engine and radiator are hot. L 4 Turning the radiator pressure u I 1' I 1 L coolant on hot engine parts. You can be burned if spill you Coolant contains ethylene glycol, and it will burn the engineparts if are hot enough. Don't spill coolant on a hot enginc I 237