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Old 01-26-2018, 12:07 PM   #1
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Vacuum tube question

It's not clear in the PET nor in my manuals, exactly where do these tubes go. Anyone help me out here?




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987 air intake TB and plenum, Mantissport 2 litre sump, UDP, Bilstein B6 with H&R lowering spings, re71-rs for track, other stuff.
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Old 01-26-2018, 12:28 PM   #2
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Compliments 78F350.

http://986forum.com/forums/boxster-general-discussions/64576-vacuum-line-clarification.html


Looks like they go together.

Last edited by 911monty; 01-26-2018 at 01:30 PM.
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Old 01-26-2018, 02:50 PM   #3
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Thank you for finding this for me!
I thought that this was the case but the tube seems short. Perhaps I broke it in my disassembly. And thank you 78F350!
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2004 986 S
987 air intake TB and plenum, Mantissport 2 litre sump, UDP, Bilstein B6 with H&R lowering spings, re71-rs for track, other stuff.
https://www.youtube.com/user/12shoes2
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Old 01-26-2018, 03:20 PM   #4
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this is the best vac diagram I've seen. This one is for my 01 base, ymmv.




Item J is a vacuum switch (I learned them as a VSV) and is located under the left intake plenum. It has an electrical component (wires) It switches the system vacuum on and off for the butterfly valve Item K..

I've been through this recently, and for I while I'll have a pretty good memory about it.
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Last edited by Brian in Tucson; 01-26-2018 at 03:25 PM.
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Old 01-26-2018, 03:25 PM   #5
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Thanks for adding the clarification!

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James
2004 986 S
987 air intake TB and plenum, Mantissport 2 litre sump, UDP, Bilstein B6 with H&R lowering spings, re71-rs for track, other stuff.
https://www.youtube.com/user/12shoes2
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