If you are not sure whether there is a leak, put a sheet of paper under the axle. Within an hour the oil thickens as it cools and stops dripping. Leaks on to the wheels or brakes may also be caused by defectiveĪxle oil is thick when cold and unlikely to drip out of a very small opening, but it flows freely when warm after a run.Īny drip marks will probably be where you first parked the car after returning from a run. ), may also leave traces on the inner surfaces of the wheels, or even get into the
The clearest sign of a leak is oil on the
