what did i break and should i care? - 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, 10:06 PM   #1
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Default what did i break and should i care?

ok so its like this, i want to put my 195 tstat back in for the winter, i was gonna do it tonight, i forgot to bring my tools home form work to do it, so i figured i could dig up my old craptacular tools to get the job done, well im going to loosen a tstat bolt and bam, the socket tears apart, my arm jerked, i step back and see i've broken a vaccum line, immediately i thought oh ****, i check to see if the car ran ok, it seemed fine, no difference at all, then i plugged up the borken holes, again no difference, then i used some sticky tack to ghetto rig it (it was in a bad position, couldnt manage tape) so i took it on a series of drives with the 3 possibilities, open, plugged, ghetto repair, i want to say i could feel a difference but if there was it wasnt anything i could pinpoint and might be in myhead, now i dont have a digital camera so ill just have to describe the part that broke, directly above the tstat housing is a thick black tihng looks kind alike a hocky puck it had 2 or 3 vaccum lines attached to it, 1 or 2 thin hard lines and 1 thicker, short, rubber line, this lineis about 4 inches long, at the other end of it, to the left of the tstat *facing the car pov* is some kind of junction with the rubber vaccum line, at least 1 hard line, and a little nipple that a foam cap over it, it snapped the nipple and rubber line right off at the connectors so it isnt a matter of just replacing line, i that little junction piece, but since it didnt seem to make a difference i wonder if i should evenbother, either way i would like to know what it is at least
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Old 12-06-2005, 12:37 AM   #2
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care.

I think it was Pete Estes of Pontiac who said "Parts left out never break and cause no warranty problems."

If it was designed into the car, it'* there for a reason. A good guess would be, based on what you've said, that it'* a thermostatic vacuum switch that only supplies vacuum under certain conditions.

Replace it.
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Old 12-06-2005, 09:17 AM   #3
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It'* not a thermostatic vacuum switch. I think they call it a Boost Control Actuator.


Is said hockey puck the black vacuum module next to the wire loom on the right. (it'* a little close to the stat housing..one slip could do it.
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