- Remove the O-ring (1) from the engine front cover.
 
- Remove the oil pressure relief valve from the engine front cover.
 
- Clean the engine front cover.
 
- Clean the engine front cover mating surfaces.
 
- Inspect the engine front cover mating surfaces for damage.
 
- Inspect the engine front cover O-ring sealing surface for damage.
 
- Inspect the crankshaft front oil seal bore for damage.
 
- Replace the engine front cover if any damage is found.
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the oil pressure relief valve with a new O-ring and tighten to 
39 N·m (29 lb ft).