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1980 Chevy Corvette

Tiny
FLEWWEI
  • MEMBER
  • 1980 CHEVROLET CORVETTE
  • V8
  • 2WD
  • AUTOMATIC
  • 119,000 MILES
Air was not working. Had system upgraded and recharged. Air was working, but only lasted about a month. I believe coolant has leaked out. Wondering how and where to check for a leak and how to seal the leak?
Saturday, June 27th, 2009 AT 3:20 PM

3 Replies

Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
It could be leaking anywhere a hose or pipe is connected to one another.
Or the compressor.

Leaking out in a month is a very slow leak and will be hard to find.

Have the freon removed from the system.
Then get a small can of UV dye, get the pressurized kind
The ones I use are good for about 4 cars. So read the directions.

Recharge the system and keep using the AC till it stops again.

Now you have to get a UV light, I tried a cheap black light from walmart but they didn't work very good, so I finally bought a UV light made just for testing.

Now, be in a dark garage or at night, shine the light on all of the hoses, fittings, tubes, compressor, and hard parts of the AC system, the dye will have a green or yellow glow to it and that is where your leak is. Dont be surprised if you have more than one leak.
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Saturday, June 27th, 2009 AT 6:41 PM
Tiny
FLEWWEI
  • MEMBER
  • 3 POSTS
My compressor has a small leak. I have another compressor that came in the parts bin that came with the car. The previous owner thinks that it works fine, but never put it on the car. Can I test the compressor before installing it on the car and if so, how?

Thanks
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Tuesday, July 21st, 2009 AT 12:15 PM
Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
You can turn it by hand to make sure it is not locked up.
That is the only test you can do.
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Tuesday, July 21st, 2009 AT 12:22 PM

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