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[S60 2.0T 2006] Oil leak near turbo

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[S60 2.0T 2006] Oil leak near turbo

Post by adrian121 » Thu May 09, 2019 3:41 am

Hi guys!

I discovered oil leak near turbo (photos attached). Oil consumption increased while driving on highway (speed 80 mph and more). I added about 750 ml of oil after last trip - about 1000 miles.

What can I check first to detect the leak?

Volvo S60 2.0T, 2006
Oil: Motul 8100 ECO-NERGY 0W-30 A5/B5
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Re: [S60 2.0T 2006] Oil leak near turbo

Post by oragex » Thu May 09, 2019 3:57 am

Have you switched to synthetic recently ?



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Re: [S60 2.0T 2006] Oil leak near turbo

Post by adrian121 » Thu May 09, 2019 4:04 am

Nope, it was 0W-30 all the time.
Last oil change - 2000 miles ago.

Additionally, I had a problem with clogged PCV system 6 months ago. PCV box and hoses are replaced.



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Re: [S60 2.0T 2006] Oil leak near turbo

Post by abscate » Thu May 09, 2019 7:22 am

I think those two pictures are on different sides of the engine.

The turbo oil could just be residual from the PCV clog, wipe it off the turbo and see if it comes back

The other side looks like cam seal leaking down from top, exhaust side.
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Re: [S60 2.0T 2006] Oil leak near turbo

Post by adrian121 » Mon May 13, 2019 1:58 am

Thanks abscate.
I cleaned up turbo and checked if leak still exist. No oil on turbo right now.

But...
Leak on the other side of engine appeared again. Two camshaft wheels where replaced (6 moths ago) because of PCV - they were leaking.
I removed plastic cover protecting timing belt. Probably you are right that it could be exhaust camshaft seal.

Is there a way to remove second plastic cover under timing belt without removing belt itself? I would like to check if leak is really behind camshaft wheel. I also thought, maybe head cover is leaking.
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Re: [S60 2.0T 2006] Oil leak near turbo

Post by RickHaleParker » Mon May 13, 2019 2:23 am

Automotive Tracer Dye. Most part stores carry some. If you dope more then one fluid, use a different color for each fluid.
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Re: [S60 2.0T 2006] Oil leak near turbo

Post by abscate » Mon May 13, 2019 4:50 am

Adrian, check the PCV pressure with a rubber glove on the oil filler. If the crankcase pressure is still high, the new seals will blow out and leak.


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Re: [S60 2.0T 2006] Oil leak near turbo

Post by adrian121 » Mon May 13, 2019 11:41 pm

abscate wrote:
Mon May 13, 2019 4:50 am
Adrian, check the PCV pressure with a rubber glove on the oil filler. If the crankcase pressure is still high, the new seals will blow out and leak.
What do you think?



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Re: [S60 2.0T 2006] Oil leak near turbo

Post by abscate » Tue May 14, 2019 6:45 am

I think it should pull vacuum, so thats not bad, but it isnt right, either.

Less than helpful, sorry.

Found it - should be -0.2 kPa on earlier P2s, but I think it carries over

Source Volvo TSB

NO: 25-149-B
DATE: 2-20-2006
MODEL/ YEAR: C70 1999-2002
S70 1999-2000
S60 2001-2002
V70 1999-2002
V70XC 1999-2001
S80 1999-2001
SUBJECT: Checking Crankcase Ventilation System
REFERENCE: VIDA STB-148A
This TNN supersedes the previous TNN 25-149-B dated 12-06-2005. Please update your files.
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Re: [S60 2.0T 2006] Oil leak near turbo

Post by vtl » Wed May 15, 2019 9:50 pm

PCV is not good.

Also on turbo engines PCV has two contours: first one uses vacuum from intake manifold (when it has it), the other one routes to the fresh air pipe near the turbo. To check that one the car needs to be in drive (step on brakes), engine slightly revving to like 2500 RPMs. Glove shouldn't inflate.


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