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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.

Vacuum Lines?

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Old Jan 30, 2007 | 08:04 PM
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Default Vacuum Lines?
I need to know what most, if not all, of the vacuum lines are used for on a '92 L27 (Pre-EGR).

I was told by my uncle that a couple of my vacuum lines were starting to go bad.
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Old Jan 30, 2007 | 08:19 PM
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ummm there are alot of vac lines running in the engine bay....
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Old Jan 30, 2007 | 10:06 PM
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Your biggest failed lines are probably under the airbox going to the evap canister. Can't tell you the sizing though.. They vary.
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