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.

Intermittant vibration

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Old 12-04-2006, 12:02 AM
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Default Intermittant vibration

As if a constant vibration isn't hard enough to diagnose, mine comes and goes. It will start around 70km/h and get consistantly more violent as the vehicle speed increases. It will be there for a few days, and then bam. Nothing. It was about a month ago the last time it happened, and it lasted for one drive. This time it stuck around for a few days and was gone again...
Old 12-04-2006, 06:15 AM
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Sounds like an ignition miss to me.
Old 12-04-2006, 06:41 AM
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Or some snow on one of the wheels that melts when it'* ready. Do you have snow currently?
Old 12-04-2006, 02:23 PM
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Originally Posted by BillBoost37
Or some snow on one of the wheels that melts when it'* ready. Do you have snow currently?
Rediculous amounts. I never even thought about that.

As for an ignition missfire, I could go 0-60 WOT and it will be perfectly smooth. Just up and after 70 it starts vibrating.
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