kevinsUBARU Posted November 27, 2004 Share Posted November 27, 2004 Hey all I finally have time today and I really need to change my front differential oil (95 Impreza AWD automatic). I did some searching and am getting different results on if a crush washer is used on the differential drain plug. The owners manual says to use one, scooby mods doesn't say, and an old thread on here said that a non-crush washer was used from the factory. So the question of the day: Is a crush washer used on the front differential drain plug, and if so, what size! Thank you for your speedy responses! Kevin Quote Link to comment Share on other sites More sharing options...
kevinsUBARU Posted November 28, 2004 Author Share Posted November 28, 2004 anyone? Quote Link to comment Share on other sites More sharing options...
Setright Posted November 28, 2004 Share Posted November 28, 2004 In my experience, over fifteen years, the drain plugs on Sube transmissions has always been a "regular" washer. Either copper or aluminium, which will crush to some extent. Always replace them. Only the spark plugs and oil pan use crush washers. Always replace these too! I am sorry, but I can't help on the exact size, but I expect the inner diameter to be around 20mm. 3mm wide washer, and 1-2mm thick. Quote Link to comment Share on other sites More sharing options...
kevinsUBARU Posted November 28, 2004 Author Share Posted November 28, 2004 great! thanks for the help. Kevin Quote Link to comment Share on other sites More sharing options...
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