thanks
1995 850 Turbo Blow Off Valve
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LiMeTiMe721
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- Joined: 9 February 2007
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1995 850 Turbo Blow Off Valve
Does anyone know how to install a blow off valve in a 850 turbo (auto)? PLEASE send me directions or tips on how to do it..i am struggling.
thanks
thanks
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MadeInJapan
- MVS Moderator
- Posts: 13434
- Joined: 31 March 2005
- Year and Model: '98 S70 T5 '07S40T5
- Location: Knoxville, TN American but born in Japan
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I have no idea, but this might help you.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo
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LiMeTiMe721
- Posts: 2
- Joined: 9 February 2007
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i couldn't find anything from those websites. I was wondering if anyone had like pictures of installing one. this is too confusing.
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Sweet Wagon
- Posts: 36
- Joined: 10 December 2005
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Have you already picked out a BOV ? Are you planning on removing the compressor bypass valve on the turbo ? (you should).
Installing the BOV is going to depend on which one you go with and where you want it installed. If you want it on your IC piping, it will need to be welded on, and you probably have to call a shop to do that for you.
I went with a Samco hose and a simple BOV set up since I was replacing my hoses anyway. Here is a pic of the results. There is no need for a write up on this, you just have two clamps to remove. Just be careful with the switches and connections for the radiator fan.
The small blue hose going from the top of the BOV to the vacuum tree is a must, it will activate the BOV.

Installing the BOV is going to depend on which one you go with and where you want it installed. If you want it on your IC piping, it will need to be welded on, and you probably have to call a shop to do that for you.
I went with a Samco hose and a simple BOV set up since I was replacing my hoses anyway. Here is a pic of the results. There is no need for a write up on this, you just have two clamps to remove. Just be careful with the switches and connections for the radiator fan.
The small blue hose going from the top of the BOV to the vacuum tree is a must, it will activate the BOV.

Matt
MY97 855-SOLD
MY04 V70R-mostly stock
MY05 XC90-bone stock
MY84 R5 Turbo 2-ongoing restoration
MY97 855-SOLD
MY04 V70R-mostly stock
MY05 XC90-bone stock
MY84 R5 Turbo 2-ongoing restoration
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Auburn T5
- Posts: 86
- Joined: 11 May 2007
- Year and Model: 1999 S70 T5
- Location: Birmingham, AL
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Yeah if you're totally stock, the Samco hose/bov is the easiest way to do it becuase you don't really want to have some shop weld into your factory piping if you're planning on upgrading later on.
The other option would be to get a reverse intercooler piping kit from eurosport tuning, IPD, viva performance, etc.
I think viva's is the most expensive but integrates a bov into the system.
Personally though, a bov isn't going to do anything but make noise under the hood unless you're planning a FMIC and turbo upgrade. The factory wastegate on the turbo is plenty adequate to handle business.
money saved on that bov could go towards something that would actually make your car faster.
The other option would be to get a reverse intercooler piping kit from eurosport tuning, IPD, viva performance, etc.
I think viva's is the most expensive but integrates a bov into the system.
Personally though, a bov isn't going to do anything but make noise under the hood unless you're planning a FMIC and turbo upgrade. The factory wastegate on the turbo is plenty adequate to handle business.
money saved on that bov could go towards something that would actually make your car faster.
2020 - Tesla Model 3 Performance
2020 - XC60 T5
1999 S70 T5 - Bilstein touring shocks/struts, B&G S2 springs, OBX full exhaust, other misc. stuff
2020 - XC60 T5
1999 S70 T5 - Bilstein touring shocks/struts, B&G S2 springs, OBX full exhaust, other misc. stuff
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