2015 Honda Civic Si Coupe
I suppose I could try it again. I thought when the heat worked it was bled properly.Sounds like you just need to bleed the system properly. Those spill proof funnels work great for that. Make sure all of the air is out of the system and check again. Really no need for an upgraded radiator on the street.
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Nevermind that. Still not right and I'm done fooling with it. Gonna let a shop do it.