Hi guys just owned a 1991 previa se model, please help me to resolved some oil leaks on my van, to begin with i noticed that my windshield washer at frint dont work, so when i check i noticed that its near on the oil reservoir and windshield reservoir also, i disconnect hoses and motor of windshield washer and after i cleaned the hoses and pour water the windshield washer is working, vut when i removed the previa from my garage i notice an oil spill on the floor please help me what to do?? More power toyotavantech..