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Over charge problems?

joeld on Wed July 30, 2008 1:48 PM User is offlineView users profile

Year: 1986
Make: Pontiac
Model: Firebird
Engine Size: 305
Refrigerant Type: R12

Hey guys, I am almost ashamed to ask this question, but need some advice. For some reason I had it in my head that 4 cans at 12oz each was 2.25 lbs. Well, after a double check it's 3 cans at 12oz and this equals 2.25 lbs. The sticker on my AC says 2.25lbs. I know I put at least 1/2 lb too much in. Is this going to cause problems, do I need to release some thru the schrader valve? I do not have the manifold gauges so I was just going by lb requirement. I did have system evacuated prior to re-fill.

Thanks,
Joel

HECAT on Wed July 30, 2008 1:58 PM User is offline

You have R-12 in cans? An overcharge will cause excessive high pressure which can damage the compressor or something else as well as poor cooling. Venting to atmosphere is illegal.

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Chick on Wed July 30, 2008 2:20 PM User is offlineView users profile

Yes, overcharge of any refrigerant is not good. I'm sure you can find a shop locally that will recover a half pound.. Letting it out the shrader is not a good idea, forget the green weenies, but you won't know how much you let out anyway..Could be going back and forth...

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Email: Chick

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joeld on Wed July 30, 2008 4:18 PM User is offlineView users profile

Quote
Originally posted by: HECAT
You have R-12 in cans? An overcharge will cause excessive high pressure which can damage the compressor or something else as well as poor cooling. Venting to atmosphere is illegal.

Yes, I had 4 cans left that had been "stashed" away for a long time. Only got one left now!

Joel

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