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850 pcv- can I go silicone?

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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Turbolena
Posts: 50
Joined: 24 November 2014
Year and Model: 850 Turbo Wagon 1994
Location: Minneapolis, MN
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850 pcv- can I go silicone?

Post by Turbolena »

I am wondering if instead of the GV hoses can I run the pcv with silicone of the same size? And what is the size of those hoses?
1994 850 Turbo Wagon
2006 V70R
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befarrer
Posts: 204
Joined: 11 November 2019
Year and Model: 1998 V70 AWD
Location: Edmonton, Alberta
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Post by befarrer »

No, the oil will sweat through the silicone. I am not sure on the sizes though.
98 V70 GLT AWD
05 VW Golf TDI
93 Mazda B2200 with 13B rotary engine swap
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Sveedy
Posts: 2069
Joined: 11 November 2019
Year and Model: 96 850 Turbo
Location: N. Arizona
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Post by Sveedy »

I just redid my PCV system again a couple of weeks ago. I used oil resistant hose with spring inside and an electrical conduct sweep.
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5/8" and 1/4" hose - 1/2" sweep
Try to learn life's bad lessons vicariously through others.


1996 850 Turbo GLH ( Goes Like Hell )
1999 V70 GLT
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