Smoking exhaust and excessive oil

peedy17 · Jun 12th, 2022, 19:32

Hi all,
My 2006 XC90 has white smoke coming from the exhaust. It also has a lot, like 250-500ml of oil coming out of the exhaust pipe just where it enters the back box via a crack. The engine pressure is high too. If I remove the dipstick it pops and flies out with force.

Any ideas what can be causing this, I did have a slight coolant leak but was fixed the same day and the engine didn’t overheat.

Ashmere · Jun 12th, 2022, 20:39

Crankcase pressure too high, not a good thing in any way.

peedy17 · Jun 12th, 2022, 20:58

What can cause this? Am I best of starting with the breather. Car has been absolutely fine until today

Familyman 90 · Jun 13th, 2022, 07:11

It's either high becquse of a breather problem, or high because something is pressurising it, such as combustion gasses. You certainly need it sorted, don't want to be driving it like that.

peedy17 · Jun 13th, 2022, 10:51

OK thanks, is the breather the bit next to the oil filter and is all part of the same housing? Its a 2.4 D5

S60D5-185 · Jun 13th, 2022, 11:25

Yes, the PCV is tucked behind the oil filter housing.

They can and do cause the exact issues that you are having and whilst a little awkward to change they are relatively cheap so worth doing first.

When I bought my XC90 D5 185 with 116k miles on it 4 years ago it was running faultlessly but being aware of the PCV issue I changed it as a matter of course.

From memory it was under £30

peedy17 · Jun 13th, 2022, 11:56

You're a star, don't suppose you have a pic or part number of what i should be looking at do you?

peedy17 · Jun 13th, 2022, 13:15

Is it this (attached)? Do i need the whole unit or can i get a diaphragm?

S60D5-185 · Jun 13th, 2022, 13:26

No, the bit that I bought is the top cover to the right of your photo.

It's fiddly to fit with the oil filter housing in situ but it can be done .

It is also possible to remove the entire unit that you have pictured but you would need new gaskets to refit to block.

This is what I bought and the company that I used.

Make sure that you order the correct part for YOUR car rather than taking my example as being entirely correct. No Guarantee that it will sort your issues BUT it's worth a try as it's cheap. 👍

https://www.skandix.de/en/spare-part...ather/1033347/

peedy17 · Jun 13th, 2022, 14:01

Thanks, got one on order. Hopefully it resolves the issue

Jun 12th, 2022, 19:32	#1
peedy17 Junior Member Last Online: Apr 17th, 2024 18:33 Join Date: Oct 2021 Location: Stockton-on-tees	Smoking exhaust and excessive oil Hi all, My 2006 XC90 has white smoke coming from the exhaust. It also has a lot, like 250-500ml of oil coming out of the exhaust pipe just where it enters the back box via a crack. The engine pressure is high too. If I remove the dipstick it pops and flies out with force. Any ideas what can be causing this, I did have a slight coolant leak but was fixed the same day and the engine didn’t overheat.

Jun 13th, 2022, 07:11	#4
Familyman 90 The Brit Brick Last Online: Aug 13th, 2023 09:39 Join Date: Jul 2021 Location: Warwickshire	It's either high becquse of a breather problem, or high because something is pressurising it, such as combustion gasses. You certainly need it sorted, don't want to be driving it like that. __________________ *2005 C70 2.4T Collection convertible. 40,000 mile sunny day toy.*

Jun 13th, 2022, 11:25	#6
S60D5-185 Me ? Surely Not! Last Online: Apr 25th, 2024 19:48 Join Date: Jul 2010 Location: 2007 Volvo XC90 D5 Geartronic. South of Hadrians Wall.	Yes, the PCV is tucked behind the oil filter housing. They can and do cause the exact issues that you are having and whilst a little awkward to change they are relatively cheap so worth doing first. When I bought my XC90 D5 185 with 116k miles on it 4 years ago it was running faultlessly but being aware of the PCV issue I changed it as a matter of course. From memory it was under £30 __________________ “Do the right thing. It will gratify some people and astonish the rest.” – Mark Twain 😊 2007 Volvo XC90 D5 SE Geartronic

Jun 13th, 2022, 13:26	#9
S60D5-185 Me ? Surely Not! Last Online: Apr 25th, 2024 19:48 Join Date: Jul 2010 Location: 2007 Volvo XC90 D5 Geartronic. South of Hadrians Wall.	No, the bit that I bought is the top cover to the right of your photo. It's fiddly to fit with the oil filter housing in situ but it can be done . It is also possible to remove the entire unit that you have pictured but you would need new gaskets to refit to block. This is what I bought and the company that I used. Make sure that you order the correct part for YOUR car rather than taking my example as being entirely correct. No Guarantee that it will sort your issues BUT it's worth a try as it's cheap. 👍 https://www.skandix.de/en/spare-part...ather/1033347/ __________________ “Do the right thing. It will gratify some people and astonish the rest.” – Mark Twain 😊 2007 Volvo XC90 D5 SE Geartronic Last edited by S60D5-185; Jun 13th, 2022 at 13:53.

Jun 12th, 2022, 20:39	#2
Ashmere Junior Member Last Online: Oct 12th, 2022 17:52 Join Date: May 2022 Location: Peterborough	Crankcase pressure too high, not a good thing in any way.

Jun 12th, 2022, 20:58	#3
peedy17 Junior Member Last Online: Apr 17th, 2024 18:33 Join Date: Oct 2021 Location: Stockton-on-tees	What can cause this? Am I best of starting with the breather. Car has been absolutely fine until today

Jun 13th, 2022, 10:51	#5
peedy17 Junior Member Last Online: Apr 17th, 2024 18:33 Join Date: Oct 2021 Location: Stockton-on-tees	OK thanks, is the breather the bit next to the oil filter and is all part of the same housing? Its a 2.4 D5

Jun 13th, 2022, 11:56	#7
peedy17 Junior Member Last Online: Apr 17th, 2024 18:33 Join Date: Oct 2021 Location: Stockton-on-tees	You're a star, don't suppose you have a pic or part number of what i should be looking at do you?

Jun 13th, 2022, 14:01	#10
peedy17 Junior Member Last Online: Apr 17th, 2024 18:33 Join Date: Oct 2021 Location: Stockton-on-tees	Thanks, got one on order. Hopefully it resolves the issue

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