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Right back at you. You need to keep loosening the pump cap and tightening it again until all the air escapes out of the loop. You will hear the pump getting on higher load when that happens. Keep bleeding and let it run, also keep topping up the coolant.
Had/have the same problem. Stark promptly sent a new pump. While in transit I decided to take this one off so I could just put the new one in as it arrives and save some time. I took the cap off (the bolted one where all the hoses go in) to separate the pump in 2 parts. After inspecting with...