Q: replace or test a/c core? what is best test?

asked by on March 02, 2017

I took my dashboard apart to replace my heater core, and I never want to do this again after I repair put it back together. Since the AC core is also hi there, I would like to know if I should test it or just replace it since it's a $90 part and part of a nine hour job to to get back into the heater box. If testing is the best option, how?

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