The expansion valve is located on the firewall (see diagram below). You will have to remove the evaporator hose assembly to remove the expansion valve.
Keep in mind that before this can be completed the A/C system needs to be vacuumed down.
Here is a helpful guide:
I have attached a diagram below for your reference.
Let me know of any questions.
Saturday, July 16th, 2022 AT 6:04 PM