what is this hole?
 

hi, im new to here and this is my first honda. Can someone tell me what is this hole? Is this hole part of the water pump because coolant is leaking from there when i start the car. If i replace the waterpump will that solve the leaking coolant coming from that hole? thank you in advance. http://img389.imageshack.us/my.php?i...terpumpqx6.jpg