A full-flow type oil filter is used on the engine. The oil filter are the throw away, spin-on type. See Figure 25321 .
Oil from the engine oil pump passes through the full-flow filter before reaching the engine's moving parts. The oil is forced by pump pressure through the filter adaptor and into the filter element. As oil passes through the element, impurities are filtered, and oil exits through another passage in the filter adaptor.
Repair is not possible.
Pre-cleaning is not necessary.
Remove oil filter as follows:
Prior to installation, clean the filter adaptor with a clean, lint-free cloth.
Mechanical tightening is not necessary and will distort or crack the adaptor.