This lady has only 20K on the clock and suddenly started burning 3 litres of oil per 10 hour day. Changed the oil . I had a spare turbo so I put it on. Made no difference. Did valve seals and valve lash. No change. Removed engine vent pipe from air intake and checked blow by hot , cold , high idle and full load. No oil being blown out and blow down seems normal. Compression on starting is perfect . The engine is a Deutz 6 litre 6 cylinder water cooled unit with individual electronic controlled injection pumps . I can only assume the oil rings are stuck solid or broken even though this machine has only ever worked hard. Is there any oil additive and or fuel additive that might cure or ease the problem? How many hours are these engines good for ? It would be hard to justify a rebuild at the moment as this machine is now only working around 500 hours per year . Owned the machine from 2000 hrs and has always been serviced to schedule with good quality oil.
Volvo L90E burning oil and lots of it
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