How to Add Coolant to the Radiator

Notice: Your engine has a specific radiator

fill procedure. Failure to follow this procedure could cause your engine to overheat and be severely damaged.

2.Then keep turning the pressure cap, but now push down as you turn it. Remove the pressure cap.

{CAUTION:

You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine.

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.

Housing

Bypass Tube

Turn the pressure cap slowly counterclockwise until

 

 

it first stops. Do not 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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Buick 2005 manual How to Add Coolant to the Radiator, Housing Bypass Tube