Marco P Miami , FL May 08, 2015 Appliance: General Electric Washer WWA8900SALWW Ge Washer Wwa8900salww: Leaking oil from the transmission. How to replace Coupling Agitator. It is an old washing machine that is leaking oil from the transmission, and taking advantage of the disarmament want to change those parts that are damaged.the will rebuild replacing those parts and then paint it. 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours