Did something similar with the power steering cap on my Camaro. Set it on top of the air cleaner with the pointed side up. Ruined an otherwise good hood.
I had pulled the pump and cleaned that tank out before I even pulled the truck off the trailer. It was literally the first thing I did to the truck.
My wife is a nurse and all she could say was ‘you should have counted your sponges’ in her typical smart alecky way.
