2002 Cadillac Escalade Owner's Manual - Page 276

Cooling System When you decide it's safe to lift the hood, here's what you'll see: If the coolant inside the coolant surge tank is boiling, don't do anything else until it cools down. See "Engine Compartment Overview" in the Index for more information on its location. A. Coolant Surge Tank B. Coolant Surge Tank Pressure Cap C. Engine Fan When the engine is cold, the coolant level should be at or above the FILL COLD mark. If it isn't, you may have a leak in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. 5-12