Anytime an engine is opened up/gasket(s) replaced runs the risk of bunch of crap making its way into pan/oil system.
Bottom line, they worked on it, you are not happy now?
Take it back, get it fixed to your satisfaction or get your $ back and go somewhere else.
If they start in with excuses etc. initiate complaints with BBB and CA BAR.
If it’s a chain store, get a hold of district/regional manager.
It it’s mom & pop place, get a hold of owner.
Always pisses me off to hear stories like this. The BS excuse right off bat screams piss poor workmanship/lacking customer service/etc.
Excuses are for dip
s that should not be working as a mechanic.
Fix it right, or don’t accept the damn job. If a customer isn’t happy do what it takes to make them happy. Doesn’t matter if it’s an old jeep.
A lazy firestone mechanic did not do his job correctly on my now wife’s car back ~1998?
We weren’t married then, I flew out to CA and ripped them a new one.
It cost them dearly, they figured she was just a dumb girl and she’d go away/not complain. They were WRONG lol