1998 se heater problem ! was under dash today - 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 12-05-2005, 08:26 PM   #1
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Default 1998 se heater problem ! was under dash today

was under dash today. found 1 plunger diaphram that opens big air door back up above the gas peddle not getting any vacuum . traced orange vacuum line up to switch that controls air selection to vents' floor defrost etc. think bad selector switch my be the problem. there is like 4 0r 5 tiny color coded vacuum lines on the back of this switch. gone to junk yard tomorrow hope this is the problem ! will let you know !! thanks everyone Tim from Ohio
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Old 12-05-2005, 08:27 PM   #2
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Please post this in your original topic so people can actually follow along.
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