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S60 & V60 '11-'18 / XC60 '09-'17 General Forum for the P3-platform 60-series models |
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My15 V60 D4. Giving off oily fumesViews : 27021 Replies : 118Users Viewing This Thread : |
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Sep 25th, 2019, 19:41 | #41 |
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What about a blockage in the PCV system?
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2015 V60 Business edition SatNav D4 1969cc 191BHP in Black |
Sep 25th, 2019, 20:04 | #42 |
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OK, sussed it myself I think. Tried the glove test and I have positive pressure, inflated the glove. This may be why the rocker cover gasket was leaking. I'm guessing on a long run the pressure is building up to a point where it is blowing off somewhere at the back of the engine.
Does anyone know where the blockage is likely to be (valve, pipework?) and if it is an expensive fix?
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2015 V60 Business edition SatNav D4 1969cc 191BHP in Black |
Sep 25th, 2019, 20:25 | #43 |
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How are you connecting a glove to the engine?
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Sep 25th, 2019, 20:29 | #44 |
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Remove the oil filler cap. Place plastic glove over filler. Start engine. Fumes/pressure from there should be drawn back up via a valve I believe and into the air intake system where they are burnt. If the route is blocked, pressure will build up and inflate the glove.
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Sep 25th, 2019, 20:33 | #45 |
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This may be why my rocker cover gasket was leaking, pressure inside the engine trying to get out. It seeps passed piston rings into the crank case. It should be drawn from there into the air intake system where it goes back into the engine and the fumes are burnt. Mine is pressurising, so the route from the engine breather to the air intake must be blocked. I believe there may be a valve in line.
I'm still fumbling along, could really do with some advice from Clan (pretty please)
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2015 V60 Business edition SatNav D4 1969cc 191BHP in Black Last edited by DTaylor; Sep 25th, 2019 at 21:58. |
Sep 27th, 2019, 11:24 | #46 |
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OK, so dealer says PCV system is working correctly, no issues???
They have found that the pollen filter is the wrong type and has not been fitted correctly and this could be causing all the fumes and smoke to come from the back of the engine. I will have the car back in 1 hours time and dealer are charging for part only due to the number of times it has been in. Fingers crossed this time.
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Sep 27th, 2019, 11:36 | #47 | |
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Quote:
There's been no oily smells on my car the last few times I've been out in it, although the stop/start has been inactive (which is when I seem to notice the problem).
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Sep 27th, 2019, 11:50 | #48 |
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I think the pollen filter is also the cabin filter so is only designed to stop fumes/pollen allergens from getting into the car. I too fail to see how this will cure the problem (unless they disturbed something checking out the PCV system)
I am not a mechanic, and I don't know their cars well at all, so I guess sometimes you have to put your trust in them. It will either be fixed, or booked in for visit number 6. I'm hoping it is fixed.
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Sep 27th, 2019, 12:21 | #49 |
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The glove is going back on when I get it home to see if it inflates (as before) or if there is a slight vacuum. I'm hoping they disturbed or cleaned out a blockage, possibly without noticing? and now it is working fine; and that the pollen filter is the only other thing they can find wrong.
Either that or they hope changing it will stop me smelling the fumes. If so I will also need to have the windscreen blacked out so I can't see it.
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2015 V60 Business edition SatNav D4 1969cc 191BHP in Black |
Sep 27th, 2019, 12:33 | #50 | |
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Quote:
The ventilation system is part of the cam cover , why don't you pull off the breather pipe from the top of the cam cover which goes to the turbo air inlet pipe , block that end off so the engine runs properly then see how much of that internal pressure is coming directly out of the cam cover nipple ?
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