Not using UV light (black light)
- Gather sample of the leaking oil using an absorbent white tissue.
- Then, gather some samples of engine and transmission/transaxle oil onto a white cloth or piece of paper.
- AT vehicles: ATF
- Compare the appearance and smell, and identify the type of oil that is leaking.
- Remove any oil on the engine or transmission/transaxle.
- Allow the engine to run for 30 min.
- Check the area where the oil is leaking, then make necessary repairs.