the Whirlpool wash impellers are al plastic.
Every so often, those dispensers need to be cleaned of bleach and detergent residue along with the entire area under the lid. Also leave it open so it dries.
Hot water makes moisture condense.
Malcolm, don't you remember that Sears contracted with LG to supply all of their "Kenmore" badged washers & dryers after they broke off the 70+(?) year relationship with Whirlpool?
Sears has a service flash out (only if you have a protection agreement of course) that this is a known issue and to replace the top, I had one not too long ago that was so rotted the bleach dispenser was no longer attached to the top
They must have excessive hard caustic well water to cause this. My well water is horrid but my water softener cycles on every 6 days and my water is good. Cant drink it, tastes too salty. But for laundry, no rust on my 84 Maytags and clothes are clean.
Kevin, to the best of my knowledge, Sears never broke off their relationship with Whirlpool. Many of the current Kenmore products are made by Whirlpool, including washers & dryers. If you know otherwise, please provide the details.
Wp still makes some top loaders for Sears, as does LG. Samsung, LG and Fridgidaire make all the front loaders,Frigidaire and Wp make km laundry centers
Many are also GE built and they are absolute JUNK, you are lucky if the main bearings and seal last 2-3 years, and Sears won't give you the time of day if you ask for help with the over $1000 cost of repairs. We have junked more than two dozen of these this year alone, the owners are always disappointed but in goes a new WP or SQ stack.
GE at least is giving out either new machines or big discounts on a new machine on the GE branded models.