The low-pressure switch wouldn't engage at 100psi, so I swapped…

The low-pressure switch wouldn't engage at 100psi, so I swapped it for a good used one. Then I added a can of refrigerant and used the sniffer. The only consistent hot spot is the evaporator core, so that's where I think it's leaking.
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Owner caption June 2020 · Photo 157 of 157