1. Remove the bolts on the oil pump gear cover plate with a sleeve and remove the oil pump gear cover plate.

2. Remove the compression nut of the oil pump gear and take out the gear with a special gear puller.

3. Remove the connecting bolts of the pump body with a sleeve.

4. Hold the high-pressure oil pump with one hand, take out the connecting plate of the high-pressure oil pump with the other hand, and finally remove the high-pressure oil pump.