rough idle 1995 Bonneville - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 05-15-2011, 12:31 PM   #11
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I remember the spring, but I do not recall the O-ring. I will have to take it out again and check for the O-ring. I will let you know. Thanks
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Old 05-15-2011, 12:45 PM   #12
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Without that O ring it'* going to give you a vacuum leak.
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Old 05-15-2011, 01:39 PM   #13
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Does the O ring come with a new PVC valve.
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Old 05-15-2011, 02:25 PM   #14
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Some times yes, some times no. But you can buy just the O rings as well.
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Old 05-15-2011, 03:01 PM   #15
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Did you pull the vacum line off the FPR to see if the diaphram is leaking?
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Old 05-15-2011, 03:53 PM   #16
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Ok Thanks
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