forgot to add i have replaced the pump under the bonnet and checked all hoses for leaks, its a manual too

Hi guys and gals newly registered here in the hope of finding the cure for my poorly hippo. where should i start lol its a 51 plate td4, i was driving one night and heard a huge bang followed with driving a slug!!! bellows of smoke and it turned out i had blown the end off the intercooler and...