Undo and remove the two fixing screws.
Using a thickness gauge check clearance between rotor and stator and replace the rotor / stator unit if necessary.
Clearance between rotor and stator: 0.04±0.10 mm (0.0016 in - 0.0039 in).
Slide off the shaft with the cover.
Collect the lock pin from the shaft.
Remove the oil pump rotor.
Remove the oil pump stator.
Caution! Check that the rotor and stator are not damaged (no evident abrasions, scores or any other marks).
See also specifications for this operation.