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In Reply to: 93 Honda Civic EX evaporator leaks posted by Pat on June 12, 2001 at 17:21:50:
I have a 90 Honda Accord EX that is very similar to yours. I too had an evaporator leak. When removed I found the expansion valve/evaporator connections were leaking. The brass expansion valve and aluminum tubing result in dissimilar metals corrosion which eventually causes the oring seal to leak. I later found out this is a common failure mode for Honda's of this vintage.
Removing the evaporator on this vehicle is easy, compared to most US-manufactured cars. Get a Honda manual or Alldata online manual to guide you.
Good Luck.