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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-20-2007, 03:37 PM   #1
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What year did GM switch the Bonny over to R134a ?
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Old 06-20-2007, 03:39 PM   #2
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All or most cars were 1994. Yes you have R134a.
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Old 06-20-2007, 03:42 PM   #3
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To add.. the nice thing about the change over was that they changed the standard fittings.

R12 fittings are different from 134a fittings and there is no way to confuse them when you try to hook up and recharge.
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Old 06-20-2007, 04:03 PM   #4
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Awesome. Thanks guys. I was hoping it was R-134a.

My A/C has been freezing up. Hopefully it just needs some refrigerant. *crosses fingers*
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Old 06-21-2007, 01:49 AM   #5
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Has anybody ever tried this stuff before? I just picked up a can tonight. Wondered if it was any better than traditional R134a...

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Old 06-21-2007, 02:15 PM   #6
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Mind if I chime in here with a question?
My car obviously took R12, but someone has done some converting to R134A.
The lines appeared to have been changed, but now, one of the fittings (low pressure?) no longer connects properly to the condensor.
The line and condensor fittings differ in size. Is this because of the attempted conversion? How should I rectify: Change the condensor or change the line back, and just buy the R134A connection adaptor?

BTW, the o-ring fitting fits into the condensor, you just can't do the nut up.

Any advice is appreciated.

Thanks,
Adam
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