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

A/C Problem,Help

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Old Aug 13, 2009 | 08:42 PM
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Default A/C Problem,Help

1987 C4, Where is the low side located at, to charge the A/C.
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Old Aug 14, 2009 | 08:26 AM
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I think the 87 had an R4 as opposed to the Nippondenso on my 88. Even with that difference, I fully expect that you will find the low side connection on the accumulator.

Are you familiar with basic refrigeration principles? Thinking of the old diamond diagram that applies to all refrigeration systems will always help you locate the service fittings.
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Old Aug 14, 2009 | 09:29 AM
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http://members.shaw.ca/dankai/HVAV'S.pdf
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Old Aug 15, 2009 | 10:28 AM
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Thanks for your post to my question, This was helpfull, I have solved the problem, One A/C shop in Tulsa wanted alot of money to repair my A/C, but I was able to do the job myself for about $67.00, and now I have cold air, and all works fine. Thanls again to akk who posted.
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