What can I use to flush out a differential?
What can I use to flush out a differential? First, the best substance to use to flush the differential is fresh differential oil. Most solvents are not appropriate to use and can damage the rear end during the flush process. What to do if you have a leak in the differential? A slight leak from the differential carrier gasket can sometimes be cured by tightening the nuts, without draining the axle. To replace the gasket, you usually have to remove the half shafts and the differential gears to release the carrier - a task best left to a garage. Where...