Chevrolet 2001 manual How to Add Coolant to the Radiator

How to Add Coolant to the Radiator

2. Then keep turning the pressure cap, but now push

down as you turn it. Remove the pressure cap.

1.You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise until it first stops. (Don't press down while turning the pressure cap.)

If you hear a hiss, wait for that to stop.

A hiss means there is still some pressure left.

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