972k blown EGR

972k s/n 0972KHZ4W00657 last monday plastic coolant tank sprung a leak in the top got it replaced found a recall had to wait two days on it from cat. we replaced filled with coolant cranked engine started leaking fluid at exhaust manifold joint's and smoking. called cat sent parts replacer out he said it was bad turbo we ? him he started arguing with us and I explained to to him that he had already screwed up my transmission two years ago because he did not care so I sent him packing. Got another cat mechanic (this one has a brain) as soon as he got out of the truck he knows what the problem is (not turbo) blown EGR cooler said that any time you have a blown hose or low water when you fill it back up that there is a procedure to get the air out of the EGR even with the small hose coming out the top going into the top of the coolant tank is this correct there was not any warning paper's or installation instruction's in the box with tank . dealer did not have EGR parts still waiting tomorrow will be a week down 9,200hrs less than 3 year's old

972k blown EGR