If the casing is spilt a filter will leak
an incorrectly installed filter will also leak.
Possibly blown / damaged oil filter o-ring
yes it just happened to me
old rubber gasket stuck to block or to much oil pressure regulated by spring above oil filter Filter not tight, hole in filter,....
The old oil filter gasket might still be stuck on the engine block. Having the two gaskets in place will not allow the filter to seat correctly causing a leak.
The starter should be tight! It can cause an oil leak if it hits the oil filter and makes a hole in it (oil filter is like a coke can). If your starter is moving you must first tighten it down it's two bolts.
Headgasket!
Bad engine seal? Bad oil filter? Leaking valve cover gasket?
an oil leak
Purchase the correct size filter and make sure is is a premium filter such as AC/Delco, Purolator, Wix, or Bosch. Remove the old filter and throw it away. Clean the mounting surface and look at is closely for any scratches or gouges. If it is clean and not damaged, apply a thin layer of oil to the gasket on the new filter or it can leak. Turn the new filter 3/4 turn after making contact with the mounting surface. No more than 3/4 turn or it can leak. You will not have a leak if you do this.
oil filter oil leaking on to exhuast pipe and burning
Oil filter installed incorrectly as in too tight, too loose, the gasket was not oiled prior to installation, or the old filter gasket was left on. It can also be a valve cover gasket leaking and running down by the filter. Replace the oil filter and oil the gasket and tighten 3/4 turn after it makes contact with the mounting surface. If the leak persists if is not the filter.
The filter cap will be brocken and oil can leak through that way just change the filter cap