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Vac Check valves - 99 V70 XC Turbo

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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wizechatmgr
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Year and Model: 1999 V70 XC AWD 2.4T
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Vac Check valves - 99 V70 XC Turbo

Post by wizechatmgr » Sat Jan 14, 2017 10:55 am

Was just replacing some hoses and didn't pay the kind of attention I should have... All or most of the check valves going to the intake manifold are supposed to allow vac, not pressure through, correct? In other words, flow TOWARDS the intake, not away from it?
Wisdom requires knowledge as a prerequisite, but knowledge can be developed due to a lack of wisdom.
In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD - ~187k miles

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abscate
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Re: Vac Check valves - 99 V70 XC Turbo

Post by abscate » Sat Jan 14, 2017 3:20 pm

Thats right. Drive it into Delmar if you want to bang heads together on it...

The check valves should be on your hood sticker too, though.

:-)
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
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wizechatmgr
Posts: 1344
Joined: Thu Jan 12, 2017 1:07 pm
Year and Model: 1999 V70 XC AWD 2.4T
Location: Albany, NY area
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Re: Vac Check valves - 99 V70 XC Turbo

Post by wizechatmgr » Sun Jan 15, 2017 6:00 pm

Delmar eh? May take you up on that offer at some point =)
Wisdom requires knowledge as a prerequisite, but knowledge can be developed due to a lack of wisdom.
In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD - ~187k miles

User avatar
abscate
MVS Moderator
Posts: 20514
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
Location: NYC, ALBANY NY
Has thanked: 287 times
Been thanked: 904 times
Trinidad & Tobago
abscate

Re: Vac Check valves - 99 V70 XC Turbo

Post by abscate » Sun Jan 15, 2017 7:44 pm

Send me your coordinates by PM. Always up,for a weekend of Volvo bashing.
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

User avatar
wizechatmgr
Posts: 1344
Joined: Thu Jan 12, 2017 1:07 pm
Year and Model: 1999 V70 XC AWD 2.4T
Location: Albany, NY area
Has thanked: 23 times
Been thanked: 56 times
Contact:
United States of America
wizechatmgr

Re: Vac Check valves - 99 V70 XC Turbo

Post by wizechatmgr » Sun Jan 15, 2017 11:30 pm

Sent you something better. Thanks in advance for the assistance!
Wisdom requires knowledge as a prerequisite, but knowledge can be developed due to a lack of wisdom.
In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD - ~187k miles

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