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Kenmore is a popular appliance brand commonly sold by Sears, but Sears does not manufacture any of the appliances themselves. Instead, they source that out and have other manufacturers make their appliances for them. Kenmore refrigerators are made by a variety of different manufacturers including LG, Electrolux, GE, and Whirlpool.

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Can anybody or other technicians confirm my suspicion?

I'm an electrician by trade and I had a go at this problem yesterday. I own a kenmore refig/freezer double frenchdoor, freezer chest on bottom model.

I took apart front freezer compartment access and rear compressor/evaporator access. My initial observation is massive ice buildup in freezer compartment and the "duckbill" nipple all clogged up with some type of greyish susbstance. I initially thought it may be a sealant or silicone used to attach the nipple to the spout of my plastic freezer drain pan, but after looking at photos I took last night, I noticed there is a component in the top right of the freezer compartment wrapped in what looks like mastic duct sealant. (A.K.A BEAR POOP) Can anybody or other technicians confirm my suspicion? Because if so I am pretty certain that is the crap that is finding its way into and clogging up our installed drainage systems be it P-trap, or hose and duckbill nipple, etc... after washing my hands several times with dawn yesterday, i am quite certain that it was mastic.

Update (06/11/2017)

After carefully cleaning the duckbill nipple (grommet). And thawing all the ice from my freezer compartment I noticed water had resumed flowing into the drip pan in the rear of the fridge (in front of the evaporator).

I decided to resume normal operation to see what happens. And reassembled my fridge.

As a habit in the trade I take pictures of gear I work on and I got to studying my pics last night. I didnt notice at the time but in the top right corner. One of the components appears to be insulated with mastic duct sealer. Commonly known in the trade as "bear poop".

The gunk on the nipple in the rear was an extremely tacky greyish substance. Its supposed to be a watertight product but based on what I seen yesterday, I have a gut reaction that is the problem we are all having.

Duct sealant is virtually IMPOSSIBLE to remove from what it gets on.

Can anybody/ technicians confirm that is the grey insulation I see in my photo? If so I think its somehow finding its way down to the rubber grommet.

Update (06/11/2017)

So my intuition was that the greyish residue all over the nipple was maybe a product used to glue it in place.

However I studied photos I took last night, and I noticed a component in the top right of the freezer compartment wrapped in what looks like a grey mastic duct sealant. Known in the trade as bear poop. Its supposed to be a water tight product. But I have a really strong gut feeling this is the greyish tacky substance that was clogging the duck bill spout.

Can anybody or techies confirm this is the greyish insulating product i see in my photo. If so my theory is this mastic is somehow finding its way down to our drain systems and ruining them.

It sometimes can be cleaned or washed but any tradeperson can tell you duct sealant is very VERY tacky and extremely difficult to clean once its "gotten on" to something. Kinda like once you buff a surface you marked with a wax crayola crayon...

Update (06/11/2017)

Note: This looks like the putty kind that usually comes in 1lb blocks in hardware stores. This stuff is supposed to be weathertight and waterproof. But in my photo it looks likes some of it has been chewed away and eroded over time. What looks like it should be a solid square block looks worn down and deformed...

Can any appliance techs confirm my suspicion, have you ever seen any electrical components sealed in this fashion before?

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Nicholas Babineau, I call it permaseal. I like "bear poop" better. It's used to keep moisture out of connections such as where the defrost heater connects to the thermostat. I've seen temperature sensors wrap and secured to evaporator coils in it. It's used on some compressors to quite the noise. Its applied around the drain opening inside the freezer under the evaporator drain pan as well as where the drain hose attaches to drain under the freezer. I'm not surprised to hear you found a blob of it in the drain. Possibly someone over did it when they attached the drain hose. Usually the drain bill/hose clogs and freezes due to dirty condensor coils . The dirt, heat and moisture will create a sticky, nasty clog. Clip a V in middle edge of bill so water will drip better but the sides will still seal. Clean condensor coils at least once a year, more often if you have pets. Level the refrigerator -3 towards back for proper drainage and to help doors close.

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