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The two basic problems that I've run into with air/liquid heat exchangers both have to do with flow - either the air or the liquid is moving too slow (too
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06-19-2017, 09:10 PM
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Premium Member
 
Join Date: Nov 2010
Location: South Arkansas
Posts: 8,435
Drives: 2014 Challenger
Rep Power: 324199   |
The two basic problems that I've run into with air/liquid heat exchangers both have to do with flow - either the air or the liquid is moving too slow (too fast is also a possibility, but not very common and certainly not your problem).
You seem to have good air flow (although your testing methods are not very reliable). Low flow is usually caused by a bad pump or blockage (stuck 'stat, something in a passage, heat exchanger pluggage, etc). You've checked all the easy stuff. Go ahead and pull the pump for inspection. Use your borescope on the block while you have things apart.
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