Other contributors have said "How do you fix leaking clothes washer?" is the same question as "What causes clothes washers to leak water?" If you believe that these are not asking the same thing and should be answered differently, click here
Before calling a repairman, check out the hose (for cracks). Alternatively, if the washer is located near the water heater, check to be sure that it is not leaking.
If it is dripping it is the washer, if it is coming out around the stem that is the packing needing to be replaced or some faucets have fiber cone in them that serves as packing around the stem. If...
If the leak is by the passenger floor-- could be the heater core check to see if this leak is engine coolant or just water.Could be a leaking windshield sealcould be a door sealcould be evaporator...
It all depends on where it is coming from. It could be something as simple as a loose clamp on a hose; to something as bad as a cracked block, radiator, or a bad water-pump. I suggest starting the...