The procedure for removing the motor/pump assy. the step after taking the (-) battery cable off is to remove the bumper cover. It looks like its mounted in a doomass spot. May be able to get to it underneath of the car. Dont quote me on that ive never worked on an 08 just my 03 but the procedure for doing the pump does require to remove the bumper cover. Found this TSB if it is any help.
FRONT WASHER NOZZLE DOES NOT SPRAY PROPERLY
Failure of the front washer nozzle to spray properly may be caused by something blocking the nozzle outlet. Try to eliminate dust and foreign matter from front washer nozzle using the following procedure. If the washer nozzle spraying does not change after the repair, then it will be necessary to replace with a new nozzle or inspect other parts on the washer system.
1) Open the front hood (is there another one somewhere )
2) Remove the washer nozzle
3) Blow compressed air in the spray hole of the washer nozzle and the installation hole for washer hose to eliminate dust and foreign matter.
4) Install the hose to washer nozzle and install the washer nozzle.
5) Check if front washer sprays properly. If no change, replace with a new nozzle.
Your nozzle might be fine dont go replacing the nozzle just becuase this says to. This is just giving you a place to start looking just incase your motor might be OK.