Old Idler pulley and door gasket were damaged and needed to be replaced.

1) Removed rear louvered panel (used nut driver to remove two screws) to access damaged idler pulley. Pulled idler pulley assembly out of the slot of the spacer portion of the idler pulley mounting nut (screws into motor housing) and detached spring. Installation of new idler pulley is reverse of removal.
2) Removed door (6 phillps screws). Disassembled door by removing 2 screws that attach front and back plate of door. Reomved old damaged door gasket and installed new door gasket.