The vacuum pump on my 940 TD became noisey at 94,000 (not through lack of oil) and I had it changed before anything happened, but if you drive with the radio on I guess you might not hear it failing?
Might not the blocked oilways (from the broken pump parts) have pressurised the system and caused the oil to blow out somewhere?
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 1984 245 SE 1986 345 SE Auto
1991 940 TD Auto 2003 XC90 D5 SE AWD Geartronic2002 V70 D5 SE Auto 2014 V40 D2 SE Tiptronic Cross Country 2017 V40 D2 Cross Country Geartronic Pro 2015 XC60 D5 Polestar SE Lux Nav AWD Geartronic
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