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Sorting out vacuum leaks...

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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my98s70glt
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Joined: Mon Dec 16, 2019 7:54 pm
Year and Model: 98 S70 GLT; 07 V70 2
Location: Concord, NC
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Sorting out vacuum leaks...

Post by my98s70glt »

I’ve been smoke testing my ‘98 S70 GLT today. Tightened some clamps, changed some hoses, then came across an exposed nipple on the intake manifold located below the braided line in the pic...

I watched a RobertDIY video and, I believe, he said a hose should run to the TCV from there. On my set up, the hose he is referencing is coming from the vacuum tree. Can I just plug the intake manifold nipple or does the hose need to come from the intake manifold to the TCV and I plug the tree?
Thanks
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Current:
1998 S70 GLT: T5 ECU || 16T Turbo || White Injectors || Snabb RIP Kit || Snabb Fresh Air Pipe || Bilstein Touring || Eibach Lowering Springs || 17” Neptunes

2007 V70 2.5T: Snabb Fresh Air Pipe || BC Racing Coilovers

Previous: 2006 V70 2.5T, 2011 C70 T5, 2012 S60 T5, 2000 S70 GLT/SE
my98s70glt
Posts: 18
Joined: Mon Dec 16, 2019 7:54 pm
Year and Model: 98 S70 GLT; 07 V70 2
Location: Concord, NC
Has thanked: 9 times
Been thanked: 3 times

Re: Sorting out vacuum leaks...

Post by my98s70glt »

Answered my own question...
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8A46EFAF-080C-4327-82AA-29DF5D7B73AC.png
Current:
1998 S70 GLT: T5 ECU || 16T Turbo || White Injectors || Snabb RIP Kit || Snabb Fresh Air Pipe || Bilstein Touring || Eibach Lowering Springs || 17” Neptunes

2007 V70 2.5T: Snabb Fresh Air Pipe || BC Racing Coilovers

Previous: 2006 V70 2.5T, 2011 C70 T5, 2012 S60 T5, 2000 S70 GLT/SE
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abscate
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Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
Location: NYC, ALBANY NY
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Re: Sorting out vacuum leaks...

Post by abscate »

Hey there is something new there to me!

What’s an “ARW”?

It looks like part of the SUpplememtal Air Sustem , or SAS
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
Link to Maintenance record thread
Link To Volvo Glossary
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