PCV Write-up for 1999+ Volvo 5-cylinder 31325709

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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sombat
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Re: PCV Write-up for 1999+ Volvo 5-cylinder

Post by sombat »

I am doing my PCV right now and struggling with taking the manifold out.
To get the inlet manifold off simply lift it up to clear the lower stubs then push the PCV top hose through the pipes and the fuel rail through the inlet feed pipes, put it to one side as you now have access to the PCV, time taken to get to this point is around 30 minutes.
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push the PCV top hose through the pipes and the fuel rail through the inlet feed pipes,
Inlet feed pipes?

I tried several angles and still cannot take it off. Time taken to this point 2 hrs.
Is there any way I can remove that rotating joint of the fuel line?

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abscate
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Post by abscate »

You can bend that fuel line straighter carefully to get the manifold off, and then bend it back to install after you put the manifold back on. It's thick steel and won't kink. Don't straighten it, just take a little bend out so the manifold slips off

You also rotate the manifold 90'degrees as you clear the fuel line.

Put a Baggie over the fuel line to keep it clean.

Put a paper towel in each manifold opening to prevent screws, sockets and flying sharks from getting into your engine

Ah, I missed it. You need to undo the fuel line joint with either

...a fuel line removal tool ( I kid you not, about 10 used tool)
...a Bicpen cut into two, courtesy of Lee
...a modified AC line tool, courtesy of me in this thread

https://www.matthewsvolvosite.com/forums ... 28#p371328
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contror2000
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Post by contror2000 »

Thank you Mike

cajunxchange
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Year and Model: 1999 S70
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Post by cajunxchange »

1st off Id like to thank you for this. There are many writeups on pcv replacements but unfortunately 99-00 na versions are few in far between. I have a 99 s70 na. I ordered the kit from ipd and should be arriving later this week.
I have 2 questions for you:
1) Should I disconnect the aluminum bell on fuel delivery pipe before removing it completely? I see that you didnt do so and now Im wondering if I wasted 5 bucks on that special tool!

2) Blow by pipe Im having a hard comprehending on where the connections are located. Could you explain? I'll fell better once knowing where everything goes. Thank you!

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abscate
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Post by abscate »

I think you just need to disconnect the line up at manifold. There are a couple of variations on the 99-00 so a pic would be best.

Pm it to me if you can't post pics yet ( 10 post count)
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j-dawg
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Post by j-dawg »

Assuming the NA fuel rail is similar to that of the turbo cars: it takes some fiddling, but you can wrestle the manifold around the fuel line without disconnecting that fitting. It can be a frustrating job, so if the tool was $5 I'd say it's not $5 wasted.

Actually, where did you get that tool? I kinda want one.
1999 V70 T5 5-SPD | ~277k mi | sold

cajunxchange
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Post by cajunxchange »

abscate wrote: Tue Apr 04, 2017 4:18 am I think you just need to disconnect the line up at manifold. There are a couple of variations on the 99-00 so a pic would be best.

Pm it to me if you can't post pics yet ( 10 post count)
Will do. Still waiting on the kit to arrive. Should be delivered by end of week

cajunxchange
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Post by cajunxchange »

j-dawg wrote: Tue Apr 04, 2017 10:32 pm Assuming the NA fuel rail is similar to that of the turbo cars: it takes some fiddling, but you can wrestle the manifold around the fuel line without disconnecting that fitting. It can be a frustrating job, so if the tool was $5 I'd say it's not $5 wasted.

Actually, where did you get that tool? I kinda want one.
https://www.ipdusa.com/products/6700/11 ... lease-tool

It looks like it would be frustrating. I'll end of end disconnecting both!

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Post by abscate »

I adapted an AC release tool I got at my local FLAPS for the same price. AC release is almost the same concept, you need to apply pressure to a spring internal to the fitting
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zoli_m13
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Post by zoli_m13 »

Great write-ups here - thanks so much for the understandable description!

I made a simple blow test - based on some reading here - without touching any PCV System hose:
1. Inserted a suitable diameter plastic tube into the oil level check tube (oil stick removed)
2. Blew air through the tube: I got massive resistance and the air came back from the tube (behaved like a party balloon) => the system is airtight (or clogged)
3. Removed the oil filler cap and blew in air again: no resistance realised, pretty easily the air came out through the oil filler hole.

My estimation: no clog neither in the oil trap nor in the oil pan.

Any comment to be appreciated!
2001 VOLVO S60 2.0T A/T 245K+ miles
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