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PCV System Repair on a Volvo 5-cylinder

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

Mcat1
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Mcat1

Re: PCV System Repair on a Volvo 5-cylinder

Post by Mcat1 » Thu Aug 23, 2018 11:06 am

Just had to say THANKS! For the tutorial. I'm a super self reliant single mom, I gotta be able to repair, replace, install any number of things from a washer & dryer to the pcv system on a volvo. Clear, direct tutorials (w/pix & a little humor!) Like yours help me do what I need to do when & how I need to do it, (by myself & NOW!)
Thanks & keep up the good work! (So I can too!)
Mcat1
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manovlov
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manovlov

Re: PCV System Repair on a Volvo 5-cylinder

Post by manovlov » Mon May 13, 2019 12:17 am

hy,

i have a question about this PCV : wouldn't be useful to install behind the engine block a bottle to catch oils steams before send it back to the engine ? Wouldn't solve the PCV issue for a while ?
Oil steam catcher.jpg

Manov
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erikv11
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Re: PCV System Repair on a Volvo 5-cylinder

Post by erikv11 » Mon May 13, 2019 12:22 am

It sounds like you are suggesting to install a catch can in addition to the existing PCV. This is a reasonable idea and has been done many times. Sometimes done well (some really good examples at Volvospeed), sometimes not so well.

Search "catch can" and your car model of choice for some examples, there have been some clever implementations.


'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 140k
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'98 V70, T5 tune-injectors-turbo, LPT engine, 280k
'06 S60 R, 160k
gone: '96 NA 850 210k, '98 NA V70 182k

shaolinpat
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shaolinpat

Re: PCV System Repair on a Volvo 5-cylinder

Post by shaolinpat » Sat Oct 05, 2019 2:41 pm

I have a question about one of your photos. In 15.jpg which shows the old PCV connections, there's a hose in front of the two PVC hoses. It runs right under the purple tubing in the photo. Where does the other end of that wind up?

I've got mine apart, and with some delays because of ordering parts, I don't remember where that goes, and I didn't get a good before photo or video as I did my tear down.

If anyone has a photo of where the other end goes, that's better for me, but a description also helps.

Thanks.



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bmdubya1198
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Re: PCV System Repair on a Volvo 5-cylinder

Post by bmdubya1198 » Sat Oct 05, 2019 6:16 pm

shaolinpat wrote:
Sat Oct 05, 2019 2:41 pm
I have a question about one of your photos. In 15.jpg which shows the old PCV connections, there's a hose in front of the two PVC hoses. It runs right under the purple tubing in the photo. Where does the other end of that wind up?

I've got mine apart, and with some delays because of ordering parts, I don't remember where that goes, and I didn't get a good before photo or video as I did my tear down.

If anyone has a photo of where the other end goes, that's better for me, but a description also helps.

Thanks.
That hose is the fresh air hose for the TCV. It connects to the "blue" port on the TCV.


2000 V70R Venetian Red/Charcoal M56 Swapped 190k
2003 S60 2.4T Silver/Black 107k
2000 S70 GLT Mystic Silver/Taupe 2??k
2007 XC90 V8 AWD Sport Titanium Grey/Black 158k
1993 944 Base Beige/Beige 221k
1992 Miata Mariner Blue/Black 146k
Sold-
1998 V70 GLT Black/Beige 193k
1998 S90- Silver/Gray 207k
1995 850 GLT Tropic Green... crushed
2001 S60 2.4T Black/Black 230k
1988 744 Turbo M46 Beige Metallic/Beige 188k- Never should have sold it


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