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Old 07-21-2011, 12:32 AM   #1
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-1984 a/c

I have a 1984 302 vert stock tbi and I never use my a/c so I thought I'd give it a go and it blows air not the coldest of air but it blows and I notices the rpms jumping from 500 to 750 rpms then I noticed a ticking sound under the hood I looked and it was the a/c pulley it would rotate and stop anyone know why it's doing this and what I can do to make it blow cold?
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Old 07-21-2011, 01:13 AM   #2
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Re: -1984 a/c

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Originally Posted by Drodriguez2009 View Post
I have a 1984 302 vert stock tbi and I never use my a/c so I thought I'd give it a go and it blows air not the coldest of air but it blows and I notices the rpms jumping from 500 to 750 rpms then I noticed a ticking sound under the hood I looked and it was the a/c pulley it would rotate and stop anyone know why it's doing this and what I can do to make it blow cold?
Sounds like your magnetic clutch on the A/C is bad or you have a bad wire or connection and you need to have the freon in your A/C system refilled.
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Old 07-21-2011, 01:36 AM   #3
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Originally Posted by Trojan Horse

Sounds like your magnetic clutch on the A/C is bad or you have a bad wire or connection and you need to have the freon in your A/C system refilled.
I understand the freon so what can I do about the pulley?
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Old 07-21-2011, 01:55 AM   #4
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Re: -1984 a/c

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I understand the freon so what can I do about the pulley?
Check the wire to the clutch first and make sure it isn't broken or just have a bad connection. If it is ok you will have to replace the A/C Clutch.
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Old 07-21-2011, 06:40 AM   #5
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I would say it's low on freon, also. It's also probably R12, so you may have to have a pro do it. ( unless you gave it laying around)
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Old 07-21-2011, 06:41 AM   #6
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I would say it's low on freon, also. It's also probably R12, so you may have to have a pro do it. ( unless you gave it laying around)
Have
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Old 07-21-2011, 10:45 AM   #7
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Re: -1984 a/c

i agree that it's most likely just low. if it's r12, just go to autozone and get the r134 fittings and fill it. but if your car is an 84 and still rockn r12 in the system after all these years, that thing is awsome.
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Old 07-21-2011, 11:59 AM   #8
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Re: -1984 a/c

Did some more thinking about the clicking issue.

Like the guys said fill it with freon first, because it may just be cycling from the freon being low.
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Old 07-21-2011, 12:21 PM   #9
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Cool I got a giant tank in the back!
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Old 07-21-2011, 12:21 PM   #10
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Thanks fellas
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