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I have added the procedure below. It appears that you need a special tool for the job. If you need further assistance let me know. Don't forget to Click Accept !
Please take the time to review the images above and take note. There is not hug bolt or any bolt in the center of the water pump that needs to be removed. All the bolts that hold the water pump to the engine are on the outside.
If you are talking about removing the cooling fan form the water pump, that is a different story.