Tod F Lubbock , TX November 23, 2014 Appliance: Model 9500 F35 / sud indicator on the whirlpool 9500 washer Easy DIY project! Removed the 3 metal screws on the back, top od the washer to remove the top panel. Removed and replaced the sensor located in the back right corner. Replaced top panel and started a load of clothes. Problem solved in 15 minutes! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes