From whence does the vacuum line cometh on 87T? - Saab 900 Bulletin Board - Saabnet.com
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From whence does the vacuum line cometh on 87T?
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Posted by DET (more from DET) on Wed, 2 Jan 2002 12:25:06 Share Post by Email
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Working out some of the last (Ihope :0)) items on my 87T. Using my new Christmas toy MityVac, I found what looks like a doosie of leaker under the dash. From my manual and other posts, I am guessing this item is either the pressure sensor for the APC feedback. Have also heard that a protective "overboost" diaphragm switch is up under there somewhere, but you got to be a contortionist to get a look up in there!

Anyhow in the drivers side (LH) fenderwell next to the APC I find a large vacuum/pressure line which feeds to the red & blue switches located there
(blue - shift light? and red - boost limiter per Townsend). This line feeds up forward from under the fuse&relay box, then turns into the cabin up under the dash. After tugging & yanking down there (upside down) I can not find the source for this line, but the MityVac could not even begin to pull it down. Anyone know the source of this line?

While I'm at it, does anyone have a "vacuum/boost line map" for the C900?
Looking thru my Bentley, I find nothing. This would be darn useful

MTIA,

DET
87T
90S


posted by 32.97.2...

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