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Join Date: Apr 2018
Posts: 4
1981 928 vaccum lines diagram

In the process of replacing the green wire i've broken several vacuum lines/ Looking at the diagram under the hood the vacuum lines goto the throttle valve housing and using a tee to the "thermostatic valve in cooling liquid circulation" and the throttle valve housing. I assume the 2 distributor vacuum lines attach to upper and lower port on the throttle valve housing however I have no idea where the thermostatic valve in cooling liquid circulation is
Old 08-29-2018, 05:07 PM
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honerboys's Avatar
Join Date: Feb 2011
Location: denver
Posts: 751
my 84 has almost the same diagram under the hood - but i looked and i can't seem to find that thermostatic valve either - maybe location specific?
84 928 S
Old 08-31-2018, 07:19 AM
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