|If your Top Load Washer is Leaving Oil Spots check the Following
If the tub seal is starting to fail it will allow grease up under the agitator and this can get into your clothes.Usually if you look under neath the machine in the center of the tub you will see some water leaking. If not you will need to remove the agitator to check underneath.
The only other way oil can get into your washer is if you previously washed greasy clothes. This can take some time to remove depending on the amount of residue left behind. Try running old towels with a cup of bleach. Then run an empty load.