Oil Breathers / flame trap...

940Graeme · Apr 7th, 2011, 22:08

OK, Dumb Question coming up but here goes......

Seen several threads on here concerning poor idle/oil on engine/strong smell of oil etc etc all of which my 940 2.3 LPT has! The remedy seems to be replace oil filler cap oil seal (done) and clean out the oil breathers/replace flame trap. So my, I hope not too dumb, question is ............HOW??!

I'm fairly handy with the spanners, but this is a new one on me, and needless to say, Haynes is silent on this point......

Hints/Tips or a full "how to" guide all gratefully received!
Thanks
Graeme.

RealEstate · Apr 7th, 2011, 22:23

See 900 FAQ - save you a fortune!
http://www.volvoclub.org.uk/faq/Engi...ion_A_Treatise

gpl1968 · Apr 7th, 2011, 22:41

You need to remove and clean/replace parts 1 to 8 in the above pic.
Part no.6 is what is referred to as the flame trap, but none of the turbo cars actually have a flame trap (Volvo removed them in the early 1990s).
Instead you have one of these:

The part number listed is correct for this piece (it is worth having one of these in stock as the narrow spur tends to snap off with age).

You will definately need a new o-ring for the base of the oil seperator (#2).

940Graeme · Apr 7th, 2011, 23:23

Thanks ALL!!

Why oh Why oh Why did I not just ask this question on the forum before I splashed out on a Haynes.......Still, it will be useful for something no doubt, wobbly table legs, swatting wasps.......

Seriously, thank you guys, that's my weekend sorted!

Graeme.

RealEstate · Apr 8th, 2011, 00:09

It's hard to clean the oil trap, item 1 in GPL's diag. Prob easier just to replace it.
And yes Haynes is still good to have!
All the best

nickm · Apr 8th, 2011, 00:43

One other place to check are the nipples on the inlet manifold.
The smaller pipe that goes to the elbow was completely clogged on my set-up when I got it.
Oh and you can remove the trap without removing the inlet manifold just a bit of jiggling around.

barkster1971 · Apr 7th, 2011, 22:30

I'm sorting mine out on Monday. I've ordered a new oil trap as the one on the car gets brittle and can easily be damaged when removing it. I think it will be easier to remove with the inlet manifold out of the way and I can clean all the outlets properly. Mine is leaking oil from the front cam seal and when the dipstick is removed theres a lot of white vapour coming out. The pipe that goes over the cam cover goes into a plastic Y joint just under the manifold with a much smaller pipe from the manifold itself, The Y adapter can easily be removed and cleaned but will not have a white flame trap in it as it's a turbo. The new oil trap and seal cost £31 from Rufe.

Clan · Nov 21st, 2022, 22:18

Quote:

Originally Posted by 940Graeme

OK, Dumb Question coming up but here goes......

Seen several threads on here concerning poor idle/oil on engine/strong smell of oil etc etc all of which my 940 2.3 LPT has! The remedy seems to be replace oil filler cap oil seal (done) and clean out the oil breathers/replace flame trap. So my, I hope not too dumb, question is ............HOW??!

I'm fairly handy with the spanners, but this is a new one on me, and needless to say, Haynes is silent on this point......

Hints/Tips or a full "how to" guide all gratefully received!
Thanks
Graeme.

The flame trap was deleted over 20 years ago by volvo ...

griston64 · Nov 22nd, 2022, 07:41

Quote:

Originally Posted by Clan

The flame trap was deleted over 20 years ago by volvo ...

The OP posted this in 2011

Apr 7th, 2011, 22:08	#1
940Graeme Premier Member Last Online: Feb 22nd, 2024 10:32 Join Date: Jan 2010 Location: Silloth near Carlisle, Cumbria	Oil Breathers / flame trap... OK, Dumb Question coming up but here goes...... Seen several threads on here concerning poor idle/oil on engine/strong smell of oil etc etc all of which my 940 2.3 LPT has! The remedy seems to be replace oil filler cap oil seal (done) and clean out the oil breathers/replace flame trap. So my, I hope not too dumb, question is ............HOW??! I'm fairly handy with the spanners, but this is a new one on me, and needless to say, Haynes is silent on this point...... Hints/Tips or a full "how to" guide all gratefully received! Thanks Graeme.

Apr 8th, 2011, 00:09	#5
RealEstate Master Member Last Online: Nov 4th, 2018 16:06 Join Date: Dec 2003 Location: Berkshire & N Wales View Photos By: RealEstate	It's hard to clean the oil trap, item 1 in GPL's diag. Prob easier just to replace it. And yes Haynes is still good to have! All the best Last edited by RealEstate; Apr 8th, 2011 at 00:13.

Apr 8th, 2011, 00:43	#6
nickm Member Last Online: Today 06:36 Join Date: Oct 2008 Location: Sydney Australia	One other place to check are the nipples on the inlet manifold. The smaller pipe that goes to the elbow was completely clogged on my set-up when I got it. Oh and you can remove the trap without removing the inlet manifold just a bit of jiggling around. Last edited by nickm; Apr 8th, 2011 at 00:47.

Apr 7th, 2011, 22:30	#7
barkster1971 VOC Member Last Online: Yesterday 13:22 Join Date: Jun 2009 Location: Swineshead/Salford	pcv I'm sorting mine out on Monday. I've ordered a new oil trap as the one on the car gets brittle and can easily be damaged when removing it. I think it will be easier to remove with the inlet manifold out of the way and I can clean all the outlets properly. Mine is leaking oil from the front cam seal and when the dipstick is removed theres a lot of white vapour coming out. The pipe that goes over the cam cover goes into a plastic Y joint just under the manifold with a much smaller pipe from the manifold itself, The Y adapter can easily be removed and cleaned but will not have a white flame trap in it as it's a turbo. The new oil trap and seal cost £31 from Rufe.

Apr 7th, 2011, 22:23	#2
RealEstate Master Member Last Online: Nov 4th, 2018 16:06 Join Date: Dec 2003 Location: Berkshire & N Wales View Photos By: RealEstate	700/900 faq See 900 FAQ - save you a fortune! http://www.volvoclub.org.uk/faq/Engi...ion_A_Treatise

Apr 7th, 2011, 23:23	#4
940Graeme Premier Member Last Online: Feb 22nd, 2024 10:32 Join Date: Jan 2010 Location: Silloth near Carlisle, Cumbria	Thanks ALL!! Why oh Why oh Why did I not just ask this question on the forum before I splashed out on a Haynes.......Still, it will be useful for something no doubt, wobbly table legs, swatting wasps....... Seriously, thank you guys, that's my weekend sorted! Graeme.

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