headcase Posted July 15, 2014 Share Posted July 15, 2014 Just had a small blower motor repaired, with re-made sleeve bearings. The motor repairer suggested 20W engine oil as the correct grade for lubrication. From another source, I heard that synthetic oils contain detergents which can cause bearings to break up and that mineral oils are therefore more suitable. Anyone out there with a view on this ? Thanks. H. Link to comment Share on other sites More sharing options...
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