Subject	Proper AC gauge readings on retrofitted 300ZX
Posted by	Dawg 1 on July 01, 2011 at 9:36 AM
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Message	My 1990 300ZX was retro fitted to accept R134a refrigerant. Looking at the Nissan Online Service Manual it appears to suggest a low side pressure of 24 to 29 psi at 86 degrees ambient temps and a high side of 164 to 201 psi. But these readings were established when the system had R12. Are the same readings appropriate for a system that is now running R134a? If not then what would be the correct readings at different temps? If it's broke, try to fix it...what's the worst that could happen...IT'S ALREADY BROKEN!
Follow Ups	Proper AC gauge readings on retrofitted 300ZX - Dawg 1 09:36:10 07/01/11
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