You probably have already seen this, but in case you haven't this guy goes step by step and provides amazing detail and answers your question
https://www.m3post.com/forums/showthread.php?t=1723803
Quote:
Originally Posted by aerospacey
I don't have much hvac experience...is there anything else that needs to be replaced when replacing the evaporator? aI'm guessing the o-rings/gaskets and the expansion valve. Am I missing anything else that is critical?
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