Oil Forced Out Vent or Foaming Oil

1. High fluid level.
2. Overheated or contaminated oil.
3. Damaged filter or filter seal.
4. Leaking accumulator cover pipe or drive socket support lubrication pipes.
5. Thermo element not closing properly.
6. Thermo element improperly installed or incorrect pin height.
7. Defective or improperly installed modulator port gasket.
8. Plugged drive sprocket support drain back holes.