IMG_20210804_171727743~3.jpg Hello mates, nice to meet you. While my main Volvo is an S70, I recently acquired an 850 awd model, 1997 year as well. The dealership has been helpful in getting parts like timing belt and accessories. (poor 850 has been sitting for a few years, almost turned into a rwd...

SesMoge wrote: ↑20 Aug 2021, 15:21 ...0w-20 engine oil ...
... freezing and 20° Celsius ...

Cheers!

Here is a link to a pdf file for the owner's manual, I didn't find one in François.
http://www.volvotips.com/brochures/850/ ... manual.pdf
Here is the page of interest to your original post:

I have used 0w40 in my s70 for 15years, it has not a single leak and there is no hydro tappet rattling. Of course, if the engine already has some wear or slight leaks it might not be the best choice. It is surely not necessary, but I do not think it does any harm. Just put in what you want, I think ...

foggydogg wrote: ↑30 Aug 2021, 07:28

MoVolvos wrote: ↑25 Aug 2021, 16:37

*

"Mineral oil" ?!? I wonder what that means, exactly.

I believe mineral oil in that context refers to conventional motor oil (vs synthetic).

-A

One day the person who wrote “ undo the bolts” as a repair text will need heart surgery and the surgeon will read “use silk to close the incisions in the chest”