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Toyota Repair/2000 Toyota Solara V6 3.2L engine AC problem

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Question
Hi Ted:

I have a 2000 Toyota Solara V6 3.2L engine. The AC will not blow cool or cold on humid days, (example last Friday it was 70 to 73 degrees here, but humid, and the AC would not cool). Last summer the dealership checked the AC system out and recharged it. It will freeze you out when the weather is not humid. When it does this, I can drive it home, let it sit under the carport, and the next morning it is fine. Sometimes it can sit under the carport a few hours, and the AC would blow cold. Any suggestions of what else to check?

Answer
hello, you're going to have to have a a/c shop take a look at this, they should check the freon pressures and see what happens to them when this problem occurs, I kind of suspect that the expansion valve is malfunctioning causing the evaporator to freeze up, when that happens the Freon stops circulating and there is no cold air.  

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Ted Ritter

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I have more than 28 years experience as toyota technician, I will be able to answer most questions related to the Toyota product line up to the present year models,I am located in the US but welcome questions from other regions of the world. When asking a question please provide specific information: year,model, engine,transmission information. Provide as much information as possible including a brief repair history if possible. I have been a volunteer here for more ten years an have answered over 16,000 questions helping Toyota owners with their problems and save thousands of dollars without any compensation, some of my answers are published on many other websites including google and various automotive forums. DONATIONS ARE VERY MUCH APPRECIATED, IF YOU HAVE RECIEVED HELPFUL INFORMATION PLEASE MAKE A DONATION. AS OF TODAY (JULY 22, 2014) ALL REQUESTED GRAPHICS, ILLUSTRATIONS, DIAGRAMS, PHOTOS, WILL REQUIRE THE MINUMUM DONATION UP FRONT.

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Toyota technician since 1979,expert in electrical systems,OBD systems,engine repair, driveability problems,EFI systems,ASE certified,Toyota master technician.
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Toyota master technician, ASE certified in eight catagories, Hybrid vehicle certified. Toyota technical training: Engine Automatic transmission Manual transmission Drivetrain Electrical systems Brakes and chassis Air conditioning Engine performance and diagnostics Hybrid systems

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