Axle Shaft Assembly: Testing and Inspection
Bearing Retainer and Axle Shaft Inner Oil Seal Check^ When brake drum has been removed, check inside of brake drum for gear oil leakage. If oil leakage is found, replace defective oil seal.
^ Also, check backside of brake back plate for oil leakage. If oil leakage is found, replace defective oil seal.
^ Whenever it is possible to check oil seal during disassembly, check its lip for wear. If oil leakage or worn lip is found, replace defective oil seal.