" If I look down radiator with cap off / there is no flow of water."
This doesn't seem right. There should be some indication of flow. Are you saying you see the fluid level there is no movement at all?
"Do not walk behind me, for I may not lead. Do not walk ahead of me, for I may not follow. Do not walk beside me either. Just leave me alone, you're starting to freak me out."
1957 GMC 150
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