| • | External damage | 
| • | Metal particles found after flushing the oil cooler and the cooler lines | 
| • | External leaks in the hub weld area | 
| • | The torque converter pilot is damaged or fits poorly into the crankshaft | 
| • | Internal failure of the stator roller clutch | 
| • | Contamination from the engine coolant | 
| • | Excessive end play |