In reality one liter in 5000km isnt that bad,they all use some oil,thats what its there for. Splash it up the bore,scrape the oil ring over it to thin it down to a molecular thickness, fire the cylinder and most of the oil stays on the bore ,but a tiny bit gets burnt. There is a nasty hot fire burning all around it. One of the big reasons they can use a bit is the rings use a bit less pressure now days to try to minimise friction, wear obviously does the same thing over time,so the oil film is a bit thicker and a bit easier to burn a minute bit each time the cylinder fires.I have found with my CRD if i just keep the oil level on the dip stick at about half or a little under half it uses a bit less oil.Mines done over 300,000km and pulls like a train...my new inlet manifold with no swirl flaps and no EGR crap is very noticeable, some of these engines have done over 500,000km with no problems. I dont think you have much of oil problem, 1 liter in 10,000km is normal for a perfect engine.Mine probably uses the same amount ,so its probably only got another 200,000km left in too.
Last edited by 5oclock; 29-05-2021 at 10:31 AM.
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