question about cooling system pressure

90turbo1

Registered User
so I noticed a strange thing about my SC the other day.

it sits in back lot at work (as its not liscensed yet)

i checked the radiator cap and there was pressure in there. the car has not been ran in two weeks. why is this?

is this cooling system that sealed that when the coolant cools down it still remains pressure in the system?

there wasnt exposion from cap but noticible pressure when removing the cap.. and like I said the car has not been started or driven in two weeks. not even before I removed the cap.

let me know your thoughs.

i have absolutly no leaks in system I guess... ha ha

no bubbles when running either, over flow looks terrific.. but this is something I have not seen on any car before..
 
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