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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 06-14-2006, 08:13 PM   #1
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What size is the o-ring for the 3 tee vacuum tee on the SC? Mine has little cracks in the oring and I'd like to replace it. Should I go with a larger size? As this one seems like it doesn't fit well.
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Old 06-14-2006, 08:42 PM   #2
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I am not sure but bring one the vacum hose off when you take in in
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Old 06-15-2006, 11:40 AM   #3
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Pinky... I think we need a picture...

O ring on a vacuum Tee? No comprendo...
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Old 06-15-2006, 11:51 AM   #4
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I know the one you mean. Next to the BCA, right? I think you're just gonna have to take the o-ring with you and match it to get a new one.
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Old 06-15-2006, 12:06 PM   #5
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Yup, that'* the one. It has little cracks in it. I will have to take it to the nearest hardware store and find a match.
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Old 06-15-2006, 12:12 PM   #6
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Yes, match it, don't go larger or smaller. There'* a calculated compression there and you want the OEM size. Now if the one you have is too large and loose, it could be because it has degraded. Then you will want to get one that looks just like it in all ways except for the minor (inside diameter).
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