Hi every body Ihave cadillac concourse 1994 /4.6 engine , my proplem is suddely all the cooling water leaked out from small hole at the right corner of raditor , after 1 hour Itried to fill water again but water still go out from the same hole , ist a releif and can I replace it ? pls need ur help

 

releif ore plug is it on the top of radiator?

 

Gents Ifixed the proplem yestrday it was the drain valve it was aplastic bullet and it wat procken , I pulled the radiater out my self and replaced the drain valve with new one the filled the water and switched on .
And now it back to normal