On the driver's side above the oil pan is the Oil Pressure Sending Unit (?) that has a 23 mm plug. Mine is leaking and I think there is a copper washer/o-ring there. Does anyone know if these can be picked up at the auto stores or give me other information on type to get? Shannon To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/