water boil

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   T3 Caravelle 2.1 injection all of a sudden on occasion the water boils after a run when all appears ok i.e. temp gauge working ,first stage fan working. Switch off and then you can hear after 30 secs water start to boil and then its pushed to filler tank then in to expansion tank and then it squirts out of the 3 small top holes. It seemed to be ok most of the time when the expansion tank level was below minimum cold.Have re-bled system twice to make sure no air but no difference.
Is it poss the anti freeze mixture is now not good enough?

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ceetee25 Members Profile Send Private Message Find Members Posts Add to Buddy List Not Quite Newbie Joined: 19 Dec 06 Location: United Kingdom Status: Offline Points: 25	Post Options Post Reply Quote ceetee25 Report Post Thanks(0) Quote Reply Topic: water boil Posted: 16 Aug 17 at 17:35
	T3 Caravelle 2.1 injection all of a sudden on occasion the water boils after a run when all appears ok i.e. temp gauge working ,first stage fan working. Switch off and then you can hear after 30 secs water start to boil and then its pushed to filler tank then in to expansion tank and then it squirts out of the 3 small top holes. It seemed to be ok most of the time when the expansion tank level was below minimum cold. Have re-bled system twice to make sure no air but no difference. Is it poss the anti freeze mixture is now not good enough?