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Old 06-10-2016, 12:02 PM   #1
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Charging the AC. Advice needed

I noticed my AC is not blowing nearly as cold as it used to and I thought I'd recharge it with some Freon and see how long it lasts before I give the keys and a lot of money to a tech to wrench on it.

Can I use the freon in a can for sale at AutoZone like I did with my old Lexus, or is the refrigerant in Porsches unique like the radiator coolant?

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Old 06-10-2016, 12:38 PM   #2
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I'm not sure but I would think is standard R134a that you can refill with standard freon from the autoparts
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Old 06-10-2016, 12:47 PM   #3
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Standard R134a, without any additives.
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Old 06-10-2016, 12:49 PM   #4
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the answer is yes.
i use to do it once every month (or so), before i fixed the AC system on my first boxster.
i had a leaking evaporator.
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Old 06-10-2016, 03:49 PM   #5
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As others have said, the answer is yes. You need to be concerned, however, about overfilling the low pressure side. If you do, the A/C output temperature will actually go up. And if you overfill it by a lot, it may even cause a component to fail.

BTW: Because I'm not as handy as Meir and I didn't want to drop a couple of thousand on the repair, I did add a Red Angel AC Stop Leak to my system four years ago. Now I just top things off about every 18 months. It's works differently than the ones that swell O-rings. If the leak is too big, nothing will help except replacing the failed component.

Last edited by thom4782; 06-10-2016 at 03:52 PM.
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Old 06-11-2016, 12:28 PM   #6
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Bought an R 134a bottle and gauge and charged it up and bada bing! Ice cold air.

Thanks guys.
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Old 06-11-2016, 01:31 PM   #7
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Randall....willing to post a DIY with steps?
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Old 06-12-2016, 12:08 PM   #8
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The Pelican Parts DIY is so good there's no reason to duplicate their efforts:

Porsche Boxster Air Conditioning Recharge - 986 / 987 (1997-08) - Pelican Parts Technical Article

Took all of 10 minutes to do this. Best DIY to date!

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