disassemling the rear wiper motor on 2004 GMC Yukon XL 1500

started disconnecting motor from inside the hatch. after getting all the bolts off. i'm still unable to get the motor seperated from the outside wiper blade. can any help.

Asked by for the 2004 GMC Yukon XL 1500
Snap off the plastic cover at the base of the wiper arm and then remove the nut from the shaft. It will take some effort, but the arm will come off the shaft. I sed a large bladed screwdriver.

Any idea where to get a good price on the motor? The best I've found so far is $172.47 at