Unscrewing the oil pump cover
Removing the spring
Removing the relief valve piston
Removing
1. Remove oil pan.
2. Remove the three bolts securing the oil pump to the cylinder block.
3. Remove the pump sprocket from the chain and remove the oil pump.
Examination
1. Check the oil pump sprocket for damage and wear. If the sprocket is worn, replace the pump.
2. Unscrew the bolts securing the strainer to the pump, remove the strainer, safety valve and spring.
3. Check the play of the oil pump gears relative to the bearing surface (maximum 0.05 mm).
4. Check the relief valve piston and spring for wear.
5. Clean the oil pump strainer.
Installation
Installation is made in sequence, return to removal.