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P80 PCV System Repair on a Volvo 5-cylinder (-1998)

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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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!)
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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
Oil steam catcher.jpg (25.08 KiB) Viewed 227 times

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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, 145k
'98 S70 NA, 220k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 286k
'06 S60 R, 167k
'99 Camry V6 :shock: 125k
gone: '96 NA 850 210k, '98 NA V70 182k

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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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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 198k
2003 S60 2.4T Silver/Black 116k
2007 XC90 V8 AWD Sport Titanium Grey/Black 173k
1991 944 Turbo Dark Green/Beige 174k
1992 245 Base White/Beige 249k
2006 BMW 330i
1999 BMW 528i
Sold-
2000 S70 GLT Mystic Silver/Taupe 253k
1993 944 Base Beige/Beige 221k
1998 V70 GLT Black/Beige 199k
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

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Re: PCV System Repair on a Volvo 5-cylinder

Post by mecheng » Mon Oct 28, 2019 10:53 am

I used my wife's old Kobo and followed this video, I didn't have to remove the air intake or release the gas line (just swung it out of the way).
I didn't modify the hoses but if the rigid plastic hose breaks, I know understand how to replace it with a rubber hose, if we keep the car that long to find out.



Few pointers:
1)Wobble extensions are a must, UV joints can be a pain to use on the manifold. I had no problems with the awkward manifold bolts using wobble extensions. $20 will save your sanity.
2)No need to raise the vehicle, everything can be accessed from on top. I raised the vehicle on a ramp but it wasn't needed. It made putting the fuel rail bracket very difficult, I had to stand on the engine to get to it.
3)Get yourself a good flexible head ratchet, it will make removing the dipstick tube bolt and underside manifold bolt easy.
4)Few painful items:
a) starting the left most canister bolt was a pain, tape the socket to the bolt, it took me a while to get it started. Not much else you can do.
b)If you follow this method, passing the PCV line to the intake hose is a bit tricky, I taped both hoses together to pass it through the brackets and had to bend them slightly.
5)Spray the injectors prior to removing with silicone so they do not release from the fuel rail and lubricate them with silicone grease when re-installing.
6)Take this time to clean the intake manifold with brake clean and spray onto the valves. My manifold had some baked on oil which I cleaned off.

Curious if others have tried the method in the FCP video.
1998 Volvo S70 T5 - SE - 240km - Sold July 2018
1997 Volvo 850 GLT - 190km
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Eddystone

Re: PCV System Repair on a Volvo 5-cylinder

Post by Eddystone » Mon Oct 28, 2019 6:46 pm

Great work, and I appreciate the effort. Just a word of warning to people reading a DIY like this or watching a video online: Your car may not be the same as the one pictured. This is a general comment. I have one 1998 non-turbo and a 1999 that is not only a turbo but is a 2.3 liter T5 high pressure turbo. I would make two recommendations:

1. Posters of DIYs: Specify exact model year and mechanical specs of your car early in the video or PDF.
2. People Working On Your Cars: There are a lot of model difference between specific cars, although many "typical" cars were sold and are therefore somewhat "generic" in a manner of speaking.

My 99 T5 has MANY differences due to model year and engine type from my 98 V70. Evaporative emissions and PVC plumbing on my cars have been REAL Do It Yourself operations that bore no resemblance to the helpful guides I often rely upon.
1998 V70 Non-Turbo/Auto
1993 945 Turbo/Auto
1999 S70 T5 Turbo/Auto
All U.S. market models.
All on the road and running.
PM me if you are near Philadelphia.
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Re: PCV System Repair on a Volvo 5-cylinder

Post by bmdubya1198 » Mon Oct 28, 2019 7:35 pm

Eddystone wrote:
Mon Oct 28, 2019 6:46 pm
Great work, and I appreciate the effort. Just a word of warning to people reading a DIY like this or watching a video online: Your car may not be the same as the one pictured. This is a general comment. I have one 1998 non-turbo and a 1999 that is not only a turbo but is a 2.3 liter T5 high pressure turbo. I would make two recommendations:

1. Posters of DIYs: Specify exact model year and mechanical specs of your car early in the video or PDF.
2. People Working On Your Cars: There are a lot of model difference between specific cars, although many "typical" cars were sold and are therefore somewhat "generic" in a manner of speaking.

My 99 T5 has MANY differences due to model year and engine type from my 98 V70. Evaporative emissions and PVC plumbing on my cars have been REAL Do It Yourself operations that bore no resemblance to the helpful guides I often rely upon.
'99 was the first year of the "RN" engines, they were updated in several ways. A lot of DIYs don't specify if it was a -1998 or 1999+ model, but you'll have to train yourself to spot the differences. For me, it's easy to tell... engine covers are different, '99+ used coil on plug rather than distributor ignition, '99+ turbos have exhaust VVT, '99.5+ NAs have intake VVT, '99+ use a different intake manifold with an electronic throttle body (NAs retained the older style manifold, but with the ETM) and several other differences. But not everyone has owned and worked on as many P80s as me, so it's good to do a little research and keep these things you mentioned in mind while reading a thread or watching a video DIY!
This thread can be helpful, Abscate has posted lots of good info for the differences on 1999+ P80s. viewtopic.php?f=1&t=78795
2000 V70R Venetian Red/Charcoal M56 Swapped 198k
2003 S60 2.4T Silver/Black 116k
2007 XC90 V8 AWD Sport Titanium Grey/Black 173k
1991 944 Turbo Dark Green/Beige 174k
1992 245 Base White/Beige 249k
2006 BMW 330i
1999 BMW 528i
Sold-
2000 S70 GLT Mystic Silver/Taupe 253k
1993 944 Base Beige/Beige 221k
1998 V70 GLT Black/Beige 199k
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

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abscate

Re: PCV System Repair on a Volvo 5-cylinder

Post by abscate » Tue Oct 29, 2019 4:57 am

Link to the 1999 PCV DIY by mike alder, there are several changes in the 1999 of course, and turbo/ NA are different , too.

viewtopic.php?f=1&t=55413


This is also linked in the “ Bastards thread” in the General topics sticky at top
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Eddystone

Re: PCV System Repair on a Volvo 5-cylinder

Post by Eddystone » Tue Oct 29, 2019 10:29 am

abscate wrote:
Tue Oct 29, 2019 4:57 am
Link to the 1999 PCV DIY by mike alder, there are several changes in the 1999 of course, and turbo/ NA are different , too.

viewtopic.php?f=1&t=55413


This is also linked in the “ Bastards thread” in the General topics sticky at top
And as I am sure you know, when you have a '99 with a 2.3 liter T5, a lot of DIYs (well done as they may be) simply do not apply. It helps if the DIY producers specify the year and mechanical specs of the car they are using in the video. That was my main suggestion.
1998 V70 Non-Turbo/Auto
1993 945 Turbo/Auto
1999 S70 T5 Turbo/Auto
All U.S. market models.
All on the road and running.
PM me if you are near Philadelphia.
;-)

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