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19/01/2025 3:31 pm
Topic starter
Dear Scotty,
I hope you doing well. Elantra 2015, 135K.
Recently I changed a bad evaporator. Did the vacuum and no more leaking. I charged the system with refrigerant and oil as described in the workshop manual. The problem is the hi pressure side won't go up more than 100 psi, while the low pressure side was normal. I got cold air, but the next day AC blowing hot air and there is a hesing sound coming out from inside the dashboard.
I think there is blockage because of the expansion valve or I have weak compressor!
What could be the problem?
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