Cadillac 2005 CTS Owner's Manual

Also see for 2005 CTS: Personalization guide

Contents

Cooling SystemWhen you decide it is safe to lift the hood, here is whatyou will see:A. Coolant Surge Tank and Pressure CapB. Electric Engine Cooling Fans{CAUTION:An electric engine cooling fan under the hoodcan start up even when the engine is notrunning and can injure you. Keep hands,clothing and tools away from any underhoodelectric fan.If the coolant inside the coolant surge tank is boiling,do not do anything else until it cools down. The vehicleshould be parked on a level surface.If the engine is warm or hot, the coolant level should beat or above the FULL COLD/FROID line on the sideof the coolant surge tank. If the engine is cold, thecoolant level should be near the FULL COLD/FROIDline on the side of the coolant surge tank. If it is not, youmay have a leak at the pressure cap or in the radiatorhoses, heater hoses, radiator, water pump orsomewhere else in the cooling system.3.6L V6 engine shown, 2.8L V6 and5.7L V8 engines similar5-32