Cold air not flowing between freezer and refrigerator sections

Replaced air baffle between sections - part number PS321610. This part is quick connect with no wiring required. Start by turning off appliance using thermostat dial on freezer side. Remove cover for air baffle in upper left rear corner of refrigerator compartment. Remove wire harness cover between air baffle assembly and front upper control panel of refrigerator. Remove screw covers from under upper front control panel in refrigerator. May need to pry them off with a butter knife or thin screwdriver. Pull off thermostat dial. Unscrew mounting screws to remove upper front control panel cover. Pull out old air baffle assembly but do not unplug wire harness. Slide new air baffle assembly into position. Following the old part's wire harness, run wire harness for new part to point where old wire harness connects. Match up the old and new wire harness connections, unplug the old wire harness and plug in the new wire harness making sure the wires for the old and new correspond. Remove the old part and wire harness and secure the new part wire harness in the wire harness track. Reinstall the front control panel cover and thermostat dial and the screw hole covers. Reinstall the wire harness cover. Reinstall the baffle door cover. Turn the appliance on. You have now saved yourself a few hundred dollars in labor costs!