location of expansion valve of 1998 lexus 300?

i am trying to repair the air conditioner in a 1998 lexus 300. I need to know where the expansion valve is located.
jerry con, July 2005


done
Its usually between the high and low side of sytem but some are actually in the ac line and line will need to be replaced
ran into the same problem on a Lincon continetal

bg, November 2005
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