Why's my AC not working? 2007 Toyota Prius

Asked by Jun 02, 2017 at 11:56 AM about the 2007 Toyota Prius

Question type: Maintenance & Repair

The A/C on this 2007 Prius wasn't working when I bought the car from a
previous owner. He said it would need freon but that was not the problem in
the end. I replaced both the compressor and the condensor. The A/C worked
temporarily, for almost the past 2 months, and now it's gone out again. Any

1 Answer


Could possibly be low on Freon again. Very easy to pinch an O ring when installing new parts. I would check Freon level with an actual a/c machine. Pulled down and recharge system and add some dye to the system. If Freon level is ok. Check your pressure switches and also ambient air temp sensor that's suppose to be attached to evaporator

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