Remove the engine oil filter base. Refer to Disassembly and Assembly, “Engine Oil Filter Base – Remove”.
Illustration 1 g01011623
Remove plugs (1) and (3) from oil filter base (2) .
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Remove springs (4) and valves (6). Remove O-ring seals (5) from plugs (1) and (3). Inspect the parts for wear or damage. If the parts are worn or damaged, use new parts for replacement.