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vacuum hoses and electrical connections 1990 740GL

5787 Views 4 Replies 4 Participants Last post by  seancutler24
Good day all...

I just purchased a '90 740GL and noticed that there are several hoses and electrical connections that are disconnected.

Can someone please tell me what goes where? I've subscribed to alldatadiy and performed a search on this thread but have not been able to get any clear direction. Many thanks!


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The car runs but failed emissions.
Those open vacuum lines would throw the FI system off.

Maybe find a similar car, park beside it and convince the owner to open the hood and let you compare.

A sympathetic Volvo shop might photocopy a page from a service manual of the vacuum hose routing.
if you pm me. ill email you pics of my 89 740 locations looks like the same set up
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