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Re: Low pressure side A/C port and proper charged pressure Posted by Bernie [Email] ![]() ![]() ![]() In Reply to: Re: Low pressure side A/C port and proper charged pressure, bengen, Sat, 6 Sep 2014 07:58:56 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Hello,
The back of the compressor should have an S and D cast in it next to the ports. S is suction or low side, while D is discharge or high side. As far as a low side reading on an 80 degree day low side should read about 30 psi with R134a. Will read a little higher if its hot out and a little lower if cold out. Good Luck, Bernie at George Riggin Specialty Automotive
_______________________________________ George Riggin Specialty Automotive Current Saabs 1993 900 Turbo Conv. 1993 900 Turbo Conv. Auto 2003 9-3 Conv 2004 9-5 Arc Sedan 2005 9-3 SS 4 door 2005 9-3 SS Conv 2007 9-5 Aero Sedan 1986 900 Turbo Conv A few parts cars also
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