messy driveway, messy situation!
Do they have pics of the previous repair that has caused the damage?
If they can determine that this is the cause, then the damage should be visible...
the description sounds to me like they have forgotten to remove the old oil filter seal,
The new seal doesn't seal against the old one, they slide apart.
It might seal for 30sec, or maybe 10min, but when it goes, you'll lose 2-3L of oil in 60sec.
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