Chevrolet 2006 Monte Carlo Owner's Manual page 274

5.3L V8 Engine
A. Pressure Cap
B. Electric Engine Cooling Fans
C. Coolant Recovery Tank
5-32
CAUTION:
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An electric engine cooling fan under the hood
can start up even when the engine is not
running and can injure you. Keep hands,
clothing and tools away from any underhood
electric fan.
If the coolant inside the coolant recovery tank is boiling,
do not do anything else until it cools down. The
vehicle should be parked on a level surface.
If your vehicle has one of the V6 engines, the coolant
recovery tank is located in the rear of the engine
compartment on the passenger's side of the vehicle. If
your vehicle has the 5.3L V8 engine, the coolant
recovery tank is located in the rear of the engine
compartment on the driver's side of the vehicle. See
Engine Compartment Overview on page 5-12.