1976 Buick Electra

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Mamrak76
Posts: 7
Joined: Tue May 15, 2018 8:29 am
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1976 Buick Electra

Postby Mamrak76 » Sat Sep 01, 2018 10:13 am

Working on this Buick Electra. Been converted to r134a from r12. It has a VIR on it. It was working fine then it has an intermittent condition where it goes vacuum on low and stays normal on the high. -20 and 200. I think either the VIR has a problem or the office tube. Where is the orfice located? What’s the problem with these VIR’s. I will add a picture
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