Im also of the opinion that it did not come from the oil filter. Usually, there is no hard plastic in the oil filter.
Conversely,I also have a hard time believing that pieces that big would make it thru the strainer in the oil pickup tube in the oil pan....unless there happens to be no strainer ???
Im wondering if its possible the pieces came from the oil pump. I have never heard of it before, but is it possible the oil pump has plastic gears?
General Motors once used a plastic coating on their camshaft gears, mostly to reduce gear noise. This plastic would eventually fail and pieces would end up in the oil pan. I have also seen (Plastic ) valve seals go hard and brittle over time and eventually end up in the oil pan.
Your prob already doing this, but be sure to find the source before putting it back together. Good luck! Let us know what u find!
Conversely,I also have a hard time believing that pieces that big would make it thru the strainer in the oil pickup tube in the oil pan....unless there happens to be no strainer ???
Im wondering if its possible the pieces came from the oil pump. I have never heard of it before, but is it possible the oil pump has plastic gears?
General Motors once used a plastic coating on their camshaft gears, mostly to reduce gear noise. This plastic would eventually fail and pieces would end up in the oil pan. I have also seen (Plastic ) valve seals go hard and brittle over time and eventually end up in the oil pan.
Your prob already doing this, but be sure to find the source before putting it back together. Good luck! Let us know what u find!