C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

AC Clutch replacement

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Old Jun 30, 2010 | 09:05 PM
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Default AC Clutch replacement

Yep, its summer. Do you need to evacuate the AC before changing the clutch?

TIA

Casket
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Old Jul 1, 2010 | 11:18 AM
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No. I just did this on my 86. Could not find the correct clutch. Tried several sources. Ended up changing the compressor. Have to evacuate it to change compressor. Got a good deal on it. Only a few more dollars than the clutch. Works great now.
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Old Jul 1, 2010 | 05:01 PM
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Did you evacuate the comressor yourself? If so, how? I have thinking it may just be easier to do the whole damn thing.
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Old Jul 1, 2010 | 05:26 PM
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you evacuate the whole system by using a pump and gauges.
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Old Jul 1, 2010 | 09:38 PM
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1st you need to recover then replace the evacuate. That is in real quick terms lots of little steps should be followed also
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Old Jul 6, 2010 | 08:45 AM
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Originally Posted by Casket86
Did you evacuate the comressor yourself? If so, how? I have thinking it may just be easier to do the whole damn thing.
A shop did mine. They had the right equipment to do it. Most people aren't going to have what is needed in their garage.
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Old Aug 7, 2010 | 02:23 AM
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Anyone know of a write up on pulling and installing the clutch on a Harrison compressor? I think you need special tools compared to a Nippodenso compressor.
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Old Aug 7, 2010 | 09:54 AM
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Yes, you will need a special puller-installer, you can check at autozone, they may have one to lone-out. A clutch is between 80 to 100 bucks, the whole compressor can be found for 175 to 200. I have spent the money on a clutch and ruined it trying to put it on and it was money lost. I change the whole thing now. Its a PAY ME NOW OR PAY ME LATER situation..
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Old Apr 3, 2011 | 08:25 PM
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Red 90 or someone else. $175-$200 sounds like a really good deal on a compressor w/ clutch for a C4. Can anyone tell me where to find that? Prices I have seen are a LOT higher! Thanks.
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