Mine a 1999 is a non screw-on filter. Paper-element thing. Run fully synth, less can clog the PCV if you don't intend to 'drive' it. Go to the FAQ for most stuff, there's more pressing things to look for. The rest has been covered many times. A keyboard should sort it.
https://www.volvoforums.org.uk/showthread.php?t=263883
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Bifuel V70 Classic 1999 [The Old Grumpy in the Corner, "When I was a lad... blah, bl**dy blah."]
Last edited by CNGBiFuel; Oct 24th, 2021 at 20:10.
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