IPD sale Volvo Parts
Did you know? 🤔
Logged in users can get email notification of topic replies Log in or register (free).
Amazon Link Buy your stuff using this and it helps MVS!

1998 S70 2.5 10V B5252S PCV questions

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
User avatar
Ocelot
Posts: 60
Joined: Thu Oct 04, 2018 3:13 am
Year and Model: 1998, S70
Location: Hattem
Has thanked: 19 times
Been thanked: 6 times
Netherlands
Ocelot

1998 S70 2.5 10V B5252S PCV questions

Post by Ocelot » Mon Feb 18, 2019 8:36 am

Hey guys,

I have a 1998 natural aspirated Volvo S70 with 298.000 kilometers on the clock and since a week or so I have noticed it doesn't get through the "glove test". I've searched through the database on this website and YouTube and I have some questions before replacing parts because I wanna do this right on the first go with OEM-parts. First of all, when I look on websites such as IPD or FCP I can't find my specific engine type (see screenshots below).

https://imgur.com/a/6rLzLlK
This is what I see on the FCP website.

https://imgur.com/a/zwg3rqo
This is what I see on the IPD website.

This confuses me a bit. I know I have a B5252S engine with the Fenix 5.2 system, not the B5254FS engine with the Bosch Motronic system. My first question is: Am I overlooking something? Are the pcv's on those two engines identical? If not, can you guys help me in the right way? I'm not being lazy, I just can't find the right set.

Then the second thing: Robert DIY and FCP have some really great videos on servicing the pcv-system.

and


But they both work on turbo model of the engine. I have a natural aspirated version of the engine. Are there major differences to look out for when servicing the pcv-system on my car?

I think I've covered everything, if not, please let me know and I will answer your questions. Thanks in advance for your knowledge and time :)


Deus semper maior

Recent car
'98 Volvo S70 2.5 10V Europa edition (Freya)
Previous owned Volvo's
'96 Volvo 440 Si 1.8
'87 Volvo 340 GL 1.7
'85 Volvo 340 DL 1.4

Stu70
Posts: 22
Joined: Wed Oct 12, 2016 10:27 am
Year and Model: 1998 S70 10v
Location: New Zealand
Has thanked: 6 times
Been thanked: 1 time
New Zealand
Stu70

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by Stu70 » Mon Feb 18, 2019 1:03 pm

Most parts fit the same however the 10v wasn’t available in North America, so FCP or IPD won’t list it , try Volvopartsoline.com.
There is no breather hose to the top cam cover and the short hose from the breather box to the bock is slightly different (can’t remember why or how ), I ordered that hose model specific from the dealer. I also made up a few hoses with copper elbows and oil cooler hose - again is was so long ago I can’t remember which hose - I followed a write up on the UK Volvo owners club forum, go there and do a search on PCV by user ‘CNGBifuel’
These users thanked the author Stu70 for the post:
Ocelot


1998 S70 10v BiFuel “it’s a what??”

hausmeister
Posts: 329
Joined: Sat Jul 22, 2006 9:45 am
Year and Model: 1995 850T5-R
Location: Austria
Has thanked: 11 times
Been thanked: 7 times
Austria
hausmeister

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by hausmeister » Wed Feb 20, 2019 8:02 am

I have the 2l 10v engine, however did not have to do the pcv yet on this car.

https://www.volvopartswebstore.com/show ... evel=24656
have a look there, check for the components where it says w/o turbo. Think you will still have to take a look under the hood which hoses etc you need.
These users thanked the author hausmeister for the post:
Ocelot


s70 '98 2L na manual Image || 850 T5-R '95 auto Image

User avatar
Ocelot
Posts: 60
Joined: Thu Oct 04, 2018 3:13 am
Year and Model: 1998, S70
Location: Hattem
Has thanked: 19 times
Been thanked: 6 times
Netherlands
Ocelot

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by Ocelot » Wed Feb 20, 2019 10:58 am

Thanks Hausmeister! I will order the parts this weekend and this will be a great time for some new tools. I'll keep you guys updated with some pictures and videos!


Deus semper maior

Recent car
'98 Volvo S70 2.5 10V Europa edition (Freya)
Previous owned Volvo's
'96 Volvo 440 Si 1.8
'87 Volvo 340 GL 1.7
'85 Volvo 340 DL 1.4

Stu70
Posts: 22
Joined: Wed Oct 12, 2016 10:27 am
Year and Model: 1998 S70 10v
Location: New Zealand
Has thanked: 6 times
Been thanked: 1 time
New Zealand
Stu70

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by Stu70 » Wed Feb 20, 2019 12:03 pm

Things like hose 3 not needed and the trap is different - again the 10v doesn’t exist in North America, you’ll have to source parts for it from Europe. Or if it’s cheaper from US ,I suppose you can not use some and modify other parts.


1998 S70 10v BiFuel “it’s a what??”

User avatar
Ocelot
Posts: 60
Joined: Thu Oct 04, 2018 3:13 am
Year and Model: 1998, S70
Location: Hattem
Has thanked: 19 times
Been thanked: 6 times
Netherlands
Ocelot

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by Ocelot » Wed Feb 20, 2019 1:37 pm

True. I've found an OEM-part supplier here in the Netherlands that offers the complete PCV-kit for my S70 for about 160 euros. I only need to buy a seperate intake manifold gasket. I've watched enough videos on YouTube and in the database on this forum to take this job on. I actually looking forward to work on the engine, to get to know it better and stuff. In the past I owned what we call "Nether-Swedes" (Volvo 300 and 400 series which were produced in the Netherlands), all with 4 cylinder Renault engines, except the 2.0 liter engine I guess. So this will be my first serious maintenance job on the 5 cylinder engine.


Deus semper maior

Recent car
'98 Volvo S70 2.5 10V Europa edition (Freya)
Previous owned Volvo's
'96 Volvo 440 Si 1.8
'87 Volvo 340 GL 1.7
'85 Volvo 340 DL 1.4

User avatar
Clemens
Posts: 873
Joined: Thu Sep 03, 2015 12:34 pm
Year and Model: 96 855 R + 94 855 T5
Location: Austria
Has thanked: 49 times
Been thanked: 27 times
Austria
Clemens

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by Clemens » Thu Feb 21, 2019 12:23 am

I think you can throw out the flametrap, it was not installed on later model years as far as I remember. Running without an oil trap should improve vacum suction


Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V

User avatar
Ocelot
Posts: 60
Joined: Thu Oct 04, 2018 3:13 am
Year and Model: 1998, S70
Location: Hattem
Has thanked: 19 times
Been thanked: 6 times
Netherlands
Ocelot

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by Ocelot » Thu Feb 21, 2019 12:31 am

Can you explain what you're saying with: you can throw out the flametrap? Do you mean it's probably broken or do you mean my 98 S70 isn't equipped with a flametrap?


Deus semper maior

Recent car
'98 Volvo S70 2.5 10V Europa edition (Freya)
Previous owned Volvo's
'96 Volvo 440 Si 1.8
'87 Volvo 340 GL 1.7
'85 Volvo 340 DL 1.4

User avatar
abscate
MVS Moderator
Posts: 16595
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
Location: NYC, ALBANY NY
Has thanked: 157 times
Been thanked: 477 times
Trinidad & Tobago
abscate

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by abscate » Thu Feb 21, 2019 4:37 am

There was a honeycomb flame trap on earlier cars which official Volvo procedure on servicing is To remove and discard


1 SWMBO for 30 years
2 Volvos
3 VWs
4 Careers
5 cats/dogs/gears
6 Perfect Ladies in waiting
7 Drivers
8 Boats- with a big pointy metal thing on top

1999 V70 T5M 56 2005 V70 NA M56 VWs BMW

User avatar
Ocelot
Posts: 60
Joined: Thu Oct 04, 2018 3:13 am
Year and Model: 1998, S70
Location: Hattem
Has thanked: 19 times
Been thanked: 6 times
Netherlands
Ocelot

Re: 1998 S70 2.5 10V B5252S PCV questions

Post by Ocelot » Thu Feb 21, 2019 6:16 am

Okay, thanks for the insight Abscate! I have a follow-up question though. If I indeed have the honeycomb flametrap and I remove it... Then what? Maybe I'm overthinking it but I reckon the honeycomb flametrap is connected with hoses. If I leave it out, what must I do with the hoses etc? Just reconnect them/replace them and leave the flametrap out?


Deus semper maior

Recent car
'98 Volvo S70 2.5 10V Europa edition (Freya)
Previous owned Volvo's
'96 Volvo 440 Si 1.8
'87 Volvo 340 GL 1.7
'85 Volvo 340 DL 1.4

Post Reply