Myles H Potterville , MI August 05, 2019 Appliance: Frigidaire Dishwasher FGBD2438PW6A Frigidaire Dishwasher Fgbd2438pw6a: The lower spray arm support was loose due to the plastic guides on the pump cover being sheared off. How to replace Pump Cover. It took all of two minutes to replace the pump cover and lower spray arm support. The only tool needed being a Torx screwdriver to remove and replace three screws on the pump cover. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes