Car has 144k Km, always dealer serviced at recommended intervals, oil changed every 8000 Km or less. On cold start (even in warm weather) the valve train clatters loudly for ~ 2-3 seconds on startup. Noise completely disappears after than, and doesn't recur until next cold startup. No other symptoms -- runs smooth and quiet, ample power. Low oil consumption -- uses ~ 1/2 litre between oil changes. I plan to keep the car for ~ 2 more years. Should I do something about this clattering, or is it normal for Volvo hydraulic lifters? Rick
Have you changed the oil / filter recently ? Some filters lack a non-return valve which allows the filter to drain out and takes a few seconds to re-fill, before the oil pressure is restored ? Nick new-to-me V70 diesel ( with a cheap crap Fram oil filter I have just been told to get changed by my regular mechanic)
No, but it's due within the month. The dealer uses only Volvo parts -- I assume it has either a Volvo filter or one that is Volvo-approved. Rick
The earlier years of this model had trouble with lifters that failed at relatively low mileage. The lubrication passages in the head were too small, and there was probably a design problem with the lifters themselves. If you're lucky, a switch to synthetic oil - with the risks of oil leaks developing that this entails - will solve the lifter problem. If not, you may be looking at new lifters, down the road. And no, I don't know exactly what the design fix was. Maybe someone else here does. -- http://freevision.org/michael/index.html
The earlier years of this model had trouble with lifters that failed On an engine like that you always use synthetic oil. Niels
Very common and not something I would not worry about. I assume that your dealer is using Volvo oil filters and the correct weight and quality of oil, so that isn't likely an issue. John
