A rear- axle oil leak is easy to miss. The axle works normally until it suddenly Seizes up the expensive and possibly dangerous result of it running dry of oil. The clearest sign of a leak is oil on the ground under the car. Oil leaks from the hub oil seals of a live rear axle, (See Change Car Oil Yourself In 4 Steps) May also leave traces on the inner surfaces of the wheels, Or even get into the brakes. Leaks on to the wheels or brakes may also be caused by defective wheel bearings. Also, read – Common Parts of an Automatic Transmission Axle oil is thick when cold and unlikely to drip out of a very small … Continue reading Checking the rear axle for leaks and changing the oil