Why is oil leaking from my turbo?
Oil leaks can be caused by a variety of factors, the main factor being incorrect pressure within the compressor and turbine housings. Oil leaks can cause catastrophic damage to the bearing systems and occur within seconds of the turbocharger commencing operation.
What would cause oil to be on top of engine?
If the engine is leaking oil from the top, this could indicate that there is an issue with your valve cover gasket. On top of your engine, you’ll find a valve cover protecting the components inside the cylinder head. As you probably guessed, a gasket provides a seal between the cylinder head and valve cover.
Where does the oil leak from on a XC90?
XC90 PCV system oil leak. If you have oil in your spark plug holes or along the top of your engine where the coils are, you could have oily vapor seeping out of the PCV hose that comes out of the top of your engine and goes to your catch can that’s attached to the front of your engine.
What causes an oil leak in a Volvo?
When cam seals wear out, oil can seep past them and leak down the front of the engine. What makes this leak hard to diagnose is that you have to take the timing belt cover off and really look hard to find the source. Now, it could also be that the seals were fine and that excess crankcase pressure is the culprit.
Where is the oil trap on a Volvo?
This is fairly easy to explain because on just about every Volvo model the oil trap is located to the side of the engine block underneath the intake manifold. A few exceptions are when the oil trap is actually built into the oil filter box on Volvo C30, C70 2006-Up, S40 2004.5-Up and V50 models.
Is the Volvo oil trap the same as a PCV valve?
Those of us over a certain age remember older cars having a PCV valve (Positive Crankcase Ventilation). The Volvo oil trap accomplishes the same thing as a PCV valve which is allow the engine to breath. You may not know this but the combustion engine needs air coming in and therefore air going out.