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Turbo vaccum pipes

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

Prouds70
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Year and Model: Volvo s70 se 2.4 tur
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Turbo vaccum pipes

Post by Prouds70 » Thu Sep 22, 2016 12:42 pm

Hi there. I'm looking to change my vacuum hose to silicone. Just wondering the diameter of them before ordering. Many thanks.

Prouds70
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Joined: Sun Sep 18, 2016 11:32 am
Year and Model: Volvo s70 se 2.4 tur
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Re: Turbo vaccum pipes

Post by Prouds70 » Thu Sep 22, 2016 1:11 pm

Meant to say. It's a 1998 s70 2.4 turbo. Doh!!

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kcodyjr
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Year and Model: 1997 850 GLT
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kcodyjr

Re: Turbo vaccum pipes

Post by kcodyjr » Thu Sep 22, 2016 1:27 pm

I'm not sure; I bought a kit and cut the lengths I needed.
1997 850 GLT sedan, 152K and WHOOHOO!
RIP 1996 850 wagon, 201K, hit by a runaway 4-wheeler
RIP 1996 850 GLT sedan 5spd, 260K, rearended someone
RIP 1986 245 boring, 200K, rusted beyond inspectability
RIP 1981 242 turbo 5spd, 300K, serious teenage crash

ACarmona
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Year and Model: 1996 850 R
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Re: Turbo vaccum pipes

Post by ACarmona » Thu Sep 22, 2016 1:41 pm

From my experience, most of the vacuum lines for the Turbo include the three color coded ones for the TCV, which are 5mm ID. The vacuum lines for the intake ports by the throttle body also seem to be 5 or 6mm ID. I think the one for the PCV comes as a 4mm hard plastic line but I upgraded mine to a silicone 5mm ID without problems.
My 1st Car turned first project:
1996 854R; 199k miles, 3" Angled Flange and DP to 2.5" Turboback exhaust, IPD Stage 3 ECU, IPD Sway Bars, and HDTCV, Custom Throttle Body, Silicone IC hoses and vacuum lines throughout, Custom PCV.

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