My expansion tank burst. I welded it up and put it back in the car. then I topped it up with rad fluid, put the cap back on and fired it up. The tempeature rose to 220 and the front rad was cold? I think I have some trapped air in the system or I need to prime the water pump. could someone please tell me how to prime the water pump and how to get air out of the system. This is a 1971 pantera. thanks your help is much appreciated. Alex
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