Quote:
Originally Posted by Clan
It is pretty easy ...0w/30 has always been the Very best quality recommended by Volvo ( not me ) for the D5 …
up to 2006 a cheaper alternative 5w/30 was recommended by volvo if cost was a problem , but after 2006 0w/30 was always mandatory . Nothing else was suitable according to volvo in UK , other markets may be different of course .
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I'd love to see the handbook regarding this, its very unusual not to have a range of suitable viscosities, but if they did alter the internals of the engine for euro4 (which is likely) they may have made tolerances so tight that the hths values are critical, that said, not only 0w30 is available in B5, hths values are what the engine encounters not the (old school) static viscosities. Im just curious here, Id like to see what volvo states in the book, for reference, im not out to call you out or pick a fight!
(Of course 5w is a little thicker when cold than 0w (though some can be almost identical) and the static visc is relevant here)