Andrew S Clifton , NJ January 08, 2017 Appliance: Whirlpool Washer LSR7233DQ0 Whirlpool Washer Lsr7233dq0: O ring broken around the cap under the fabric softener dispenser. How to replace Inner Cap. I removed the fabric softener cup, pulled up the old cap and o-ring, and put in the new one. It is a critical piece because otherwise water will get into the agitator mechanism which would be a very expensive repair. Took two minutes to replace. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes